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Finding the Fourth Proportional to 317,177.79, 437,705.96 and 173,938.89

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Solution

The fourth proportional to 317,177.79, 437,705.96 and 173,938.89 is: 240,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,177.79 : 437,705.96 = 173,938.89 : x
  2. Step 2: Convert to fraction form
    317,177.79/437,705.96 = 173,938.89/x
  3. Step 3: Cross multiply
    317,177.79x = 437,705.96 × 173,938.89
  4. Step 4: Simplify right side
    317,177.79x = 76,134,087,959.09
  5. Step 5: Solve for x
    x = 76,134,087,959.09/317,177.79
  6. Step 6: Final answer
    x = 240,036.00

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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.