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Finding the Fourth Proportional to 363,592.80, 545,389.20 and 97,394.40

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Solution

The fourth proportional to 363,592.80, 545,389.20 and 97,394.40 is: 146,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,592.80 : 545,389.20 = 97,394.40 : x
  2. Step 2: Convert to fraction form
    363,592.80/545,389.20 = 97,394.40/x
  3. Step 3: Cross multiply
    363,592.80x = 545,389.20 × 97,394.40
  4. Step 4: Simplify right side
    363,592.80x = 53,117,853,900.48
  5. Step 5: Solve for x
    x = 53,117,853,900.48/363,592.80
  6. Step 6: Final answer
    x = 146,091.60

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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.