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Finding the Fourth Proportional to 461,073.60, 692,128.80 and 356,356.80

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Solution

The fourth proportional to 461,073.60, 692,128.80 and 356,356.80 is: 534,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,073.60 : 692,128.80 = 356,356.80 : x
  2. Step 2: Convert to fraction form
    461,073.60/692,128.80 = 356,356.80/x
  3. Step 3: Cross multiply
    461,073.60x = 692,128.80 × 356,356.80
  4. Step 4: Simplify right side
    461,073.60x = 246,644,804,355.84
  5. Step 5: Solve for x
    x = 246,644,804,355.84/461,073.60
  6. Step 6: Final answer
    x = 534,935.86

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1.5x scale

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.