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Finding the Fourth Proportional to 363,289.80, 544,934.70 and 97,091.40

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Solution

The fourth proportional to 363,289.80, 544,934.70 and 97,091.40 is: 145,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,289.80 : 544,934.70 = 97,091.40 : x
  2. Step 2: Convert to fraction form
    363,289.80/544,934.70 = 97,091.40/x
  3. Step 3: Cross multiply
    363,289.80x = 544,934.70 × 97,091.40
  4. Step 4: Simplify right side
    363,289.80x = 52,908,472,931.58
  5. Step 5: Solve for x
    x = 52,908,472,931.58/363,289.80
  6. Step 6: Final answer
    x = 145,637.10

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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.