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Finding the Fourth Proportional to 474,000.90, 711,001.35 and 296,853.90

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Solution

The fourth proportional to 474,000.90, 711,001.35 and 296,853.90 is: 445,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,000.90 : 711,001.35 = 296,853.90 : x
  2. Step 2: Convert to fraction form
    474,000.90/711,001.35 = 296,853.90/x
  3. Step 3: Cross multiply
    474,000.90x = 711,001.35 × 296,853.90
  4. Step 4: Simplify right side
    474,000.90x = 211,063,523,652.77
  5. Step 5: Solve for x
    x = 211,063,523,652.77/474,000.90
  6. Step 6: Final answer
    x = 445,280.85

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Similar ratio
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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.