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Finding the Fourth Proportional to 438,107.66, 596,478.32 and 436,758.20

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Solution

The fourth proportional to 438,107.66, 596,478.32 and 436,758.20 is: 594,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,107.66 : 596,478.32 = 436,758.20 : x
  2. Step 2: Convert to fraction form
    438,107.66/596,478.32 = 436,758.20/x
  3. Step 3: Cross multiply
    438,107.66x = 596,478.32 × 436,758.20
  4. Step 4: Simplify right side
    438,107.66x = 260,516,792,216.04
  5. Step 5: Solve for x
    x = 260,516,792,216.04/438,107.66
  6. Step 6: Final answer
    x = 594,641.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.