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Finding the Fourth Proportional to 906,426.60, 1,250,770.59 and 524,382

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Solution

The fourth proportional to 906,426.60, 1,250,770.59 and 524,382 is: 723,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,426.60 : 1,250,770.59 = 524,382 : x
  2. Step 2: Convert to fraction form
    906,426.60/1,250,770.59 = 524,382/x
  3. Step 3: Cross multiply
    906,426.60x = 1,250,770.59 × 524,382
  4. Step 4: Simplify right side
    906,426.60x = 655,881,583,525.38
  5. Step 5: Solve for x
    x = 655,881,583,525.38/906,426.60
  6. Step 6: Final answer
    x = 723,590.40

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Double scale
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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.