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Finding the Fourth Proportional to 511,068.20, 766,602.30 and 461,301.80

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Solution

The fourth proportional to 511,068.20, 766,602.30 and 461,301.80 is: 691,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,068.20 : 766,602.30 = 461,301.80 : x
  2. Step 2: Convert to fraction form
    511,068.20/766,602.30 = 461,301.80/x
  3. Step 3: Cross multiply
    511,068.20x = 766,602.30 × 461,301.80
  4. Step 4: Simplify right side
    511,068.20x = 353,635,020,874.14
  5. Step 5: Solve for x
    x = 353,635,020,874.14/511,068.20
  6. Step 6: Final answer
    x = 691,952.70

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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.