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Finding the Fourth Proportional to 704,773.80, 1,057,160.70 and 424,837.80

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Solution

The fourth proportional to 704,773.80, 1,057,160.70 and 424,837.80 is: 637,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,773.80 : 1,057,160.70 = 424,837.80 : x
  2. Step 2: Convert to fraction form
    704,773.80/1,057,160.70 = 424,837.80/x
  3. Step 3: Cross multiply
    704,773.80x = 1,057,160.70 × 424,837.80
  4. Step 4: Simplify right side
    704,773.80x = 449,121,826,034.46
  5. Step 5: Solve for x
    x = 449,121,826,034.46/704,773.80
  6. Step 6: Final answer
    x = 637,256.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.