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Finding the Fourth Proportional to 567,126.40, 851,956.80 and 473,814.40

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Solution

The fourth proportional to 567,126.40, 851,956.80 and 473,814.40 is: 711,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,126.40 : 851,956.80 = 473,814.40 : x
  2. Step 2: Convert to fraction form
    567,126.40/851,956.80 = 473,814.40/x
  3. Step 3: Cross multiply
    567,126.40x = 851,956.80 × 473,814.40
  4. Step 4: Simplify right side
    567,126.40x = 403,669,400,017.92
  5. Step 5: Solve for x
    x = 403,669,400,017.92/567,126.40
  6. Step 6: Final answer
    x = 711,780.30

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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.