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Finding the Fourth Proportional to 617,424.30, 926,136.45 and 302,496.30

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Solution

The fourth proportional to 617,424.30, 926,136.45 and 302,496.30 is: 453,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,424.30 : 926,136.45 = 302,496.30 : x
  2. Step 2: Convert to fraction form
    617,424.30/926,136.45 = 302,496.30/x
  3. Step 3: Cross multiply
    617,424.30x = 926,136.45 × 302,496.30
  4. Step 4: Simplify right side
    617,424.30x = 280,152,849,420.14
  5. Step 5: Solve for x
    x = 280,152,849,420.14/617,424.30
  6. Step 6: Final answer
    x = 453,744.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.