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Finding the Fourth Proportional to 676,125.68, 933,685.56 and 434,827.24

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Solution

The fourth proportional to 676,125.68, 933,685.56 and 434,827.24 is: 600,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,125.68 : 933,685.56 = 434,827.24 : x
  2. Step 2: Convert to fraction form
    676,125.68/933,685.56 = 434,827.24/x
  3. Step 3: Cross multiply
    676,125.68x = 933,685.56 × 434,827.24
  4. Step 4: Simplify right side
    676,125.68x = 405,991,915,082.65
  5. Step 5: Solve for x
    x = 405,991,915,082.65/676,125.68
  6. Step 6: Final answer
    x = 600,468.12

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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.