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Finding the Fourth Proportional to 617,466.90, 926,200.35 and 493,050.90

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Solution

The fourth proportional to 617,466.90, 926,200.35 and 493,050.90 is: 739,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,466.90 : 926,200.35 = 493,050.90 : x
  2. Step 2: Convert to fraction form
    617,466.90/926,200.35 = 493,050.90/x
  3. Step 3: Cross multiply
    617,466.90x = 926,200.35 × 493,050.90
  4. Step 4: Simplify right side
    617,466.90x = 456,663,916,147.82
  5. Step 5: Solve for x
    x = 456,663,916,147.82/617,466.90
  6. Step 6: Final answer
    x = 739,576.35

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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.