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Finding the Fourth Proportional to 653,701.38, 902,009.70 and 367,166.58

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Solution

The fourth proportional to 653,701.38, 902,009.70 and 367,166.58 is: 506,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,701.38 : 902,009.70 = 367,166.58 : x
  2. Step 2: Convert to fraction form
    653,701.38/902,009.70 = 367,166.58/x
  3. Step 3: Cross multiply
    653,701.38x = 902,009.70 × 367,166.58
  4. Step 4: Simplify right side
    653,701.38x = 331,187,816,675.83
  5. Step 5: Solve for x
    x = 331,187,816,675.83/653,701.38
  6. Step 6: Final answer
    x = 506,634.72

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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.