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Finding the Fourth Proportional to 658,535.93, 908,779.61 and 356,729.93

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Solution

The fourth proportional to 658,535.93, 908,779.61 and 356,729.93 is: 492,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,535.93 : 908,779.61 = 356,729.93 : x
  2. Step 2: Convert to fraction form
    658,535.93/908,779.61 = 356,729.93/x
  3. Step 3: Cross multiply
    658,535.93x = 908,779.61 × 356,729.93
  4. Step 4: Simplify right side
    658,535.93x = 324,188,884,877.08
  5. Step 5: Solve for x
    x = 324,188,884,877.08/658,535.93
  6. Step 6: Final answer
    x = 492,287.32

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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.