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Finding the Fourth Proportional to 637,909.60, 956,864.40 and 194,677.60

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Solution

The fourth proportional to 637,909.60, 956,864.40 and 194,677.60 is: 292,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,909.60 : 956,864.40 = 194,677.60 : x
  2. Step 2: Convert to fraction form
    637,909.60/956,864.40 = 194,677.60/x
  3. Step 3: Cross multiply
    637,909.60x = 956,864.40 × 194,677.60
  4. Step 4: Simplify right side
    637,909.60x = 186,280,064,917.44
  5. Step 5: Solve for x
    x = 186,280,064,917.44/637,909.60
  6. Step 6: Final answer
    x = 292,016.40

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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.