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Finding the Fourth Proportional to 617,587.30, 926,424.15 and 243,561.70

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Solution

The fourth proportional to 617,587.30, 926,424.15 and 243,561.70 is: 365,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,587.30 : 926,424.15 = 243,561.70 : x
  2. Step 2: Convert to fraction form
    617,587.30/926,424.15 = 243,561.70/x
  3. Step 3: Cross multiply
    617,587.30x = 926,424.15 × 243,561.70
  4. Step 4: Simplify right side
    617,587.30x = 225,641,440,895.06
  5. Step 5: Solve for x
    x = 225,641,440,895.06/617,587.30
  6. Step 6: Final answer
    x = 365,359.59

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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.