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Finding the Fourth Proportional to 363,117.10, 544,675.65 and 279,136.30

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Solution

The fourth proportional to 363,117.10, 544,675.65 and 279,136.30 is: 418,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,117.10 : 544,675.65 = 279,136.30 : x
  2. Step 2: Convert to fraction form
    363,117.10/544,675.65 = 279,136.30/x
  3. Step 3: Cross multiply
    363,117.10x = 544,675.65 × 279,136.30
  4. Step 4: Simplify right side
    363,117.10x = 152,038,745,641.10
  5. Step 5: Solve for x
    x = 152,038,745,641.10/363,117.10
  6. Step 6: Final answer
    x = 418,704.45

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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.