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Finding the Fourth Proportional to 308,000.40, 462,475.80 and 168,032.40

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Solution

The fourth proportional to 308,000.40, 462,475.80 and 168,032.40 is: 252,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,000.40 : 462,475.80 = 168,032.40 : x
  2. Step 2: Convert to fraction form
    308,000.40/462,475.80 = 168,032.40/x
  3. Step 3: Cross multiply
    308,000.40x = 462,475.80 × 168,032.40
  4. Step 4: Simplify right side
    308,000.40x = 77,710,918,615.92
  5. Step 5: Solve for x
    x = 77,710,918,615.92/308,000.40
  6. Step 6: Final answer
    x = 252,307.85

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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.