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Finding the Fourth Proportional to 514,417.08, 710,081.88 and 418,757.64

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Solution

The fourth proportional to 514,417.08, 710,081.88 and 418,757.64 is: 578,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,417.08 : 710,081.88 = 418,757.64 : x
  2. Step 2: Convert to fraction form
    514,417.08/710,081.88 = 418,757.64/x
  3. Step 3: Cross multiply
    514,417.08x = 710,081.88 × 418,757.64
  4. Step 4: Simplify right side
    514,417.08x = 297,352,212,275.56
  5. Step 5: Solve for x
    x = 297,352,212,275.56/514,417.08
  6. Step 6: Final answer
    x = 578,037.21

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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.