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Finding the Fourth Proportional to 363,685.60, 545,528.04 and 97,438.85

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Solution

The fourth proportional to 363,685.60, 545,528.04 and 97,438.85 is: 146,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,685.60 : 545,528.04 = 97,438.85 : x
  2. Step 2: Convert to fraction form
    363,685.60/545,528.04 = 97,438.85/x
  3. Step 3: Cross multiply
    363,685.60x = 545,528.04 × 97,438.85
  4. Step 4: Simplify right side
    363,685.60x = 53,155,624,087.10
  5. Step 5: Solve for x
    x = 53,155,624,087.10/363,685.60
  6. Step 6: Final answer
    x = 146,158.18

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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.