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Finding the Fourth Proportional to 514,080.10, 709,069.92 and 358,772.12

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Solution

The fourth proportional to 514,080.10, 709,069.92 and 358,772.12 is: 494,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,080.10 : 709,069.92 = 358,772.12 : x
  2. Step 2: Convert to fraction form
    514,080.10/709,069.92 = 358,772.12/x
  3. Step 3: Cross multiply
    514,080.10x = 709,069.92 × 358,772.12
  4. Step 4: Simplify right side
    514,080.10x = 254,394,518,426.63
  5. Step 5: Solve for x
    x = 254,394,518,426.63/514,080.10
  6. Step 6: Final answer
    x = 494,853.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.