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Finding the Fourth Proportional to 704,836.68, 972,681.70 and 382,549.64

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Solution

The fourth proportional to 704,836.68, 972,681.70 and 382,549.64 is: 527,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,836.68 : 972,681.70 = 382,549.64 : x
  2. Step 2: Convert to fraction form
    704,836.68/972,681.70 = 382,549.64/x
  3. Step 3: Cross multiply
    704,836.68x = 972,681.70 × 382,549.64
  4. Step 4: Simplify right side
    704,836.68x = 372,099,034,169.59
  5. Step 5: Solve for x
    x = 372,099,034,169.59/704,836.68
  6. Step 6: Final answer
    x = 527,922.35

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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.