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Finding the Fourth Proportional to 567,516.24, 782,686.80 and 404,725.68

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Solution

The fourth proportional to 567,516.24, 782,686.80 and 404,725.68 is: 558,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,516.24 : 782,686.80 = 404,725.68 : x
  2. Step 2: Convert to fraction form
    567,516.24/782,686.80 = 404,725.68/x
  3. Step 3: Cross multiply
    567,516.24x = 782,686.80 × 404,725.68
  4. Step 4: Simplify right side
    567,516.24x = 316,773,447,357.02
  5. Step 5: Solve for x
    x = 316,773,447,357.02/567,516.24
  6. Step 6: Final answer
    x = 558,175.12

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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.