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Finding the Fourth Proportional to 699,560.40, 1,047,785.40 and 606,248.40

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Solution

The fourth proportional to 699,560.40, 1,047,785.40 and 606,248.40 is: 908,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,560.40 : 1,047,785.40 = 606,248.40 : x
  2. Step 2: Convert to fraction form
    699,560.40/1,047,785.40 = 606,248.40/x
  3. Step 3: Cross multiply
    699,560.40x = 1,047,785.40 × 606,248.40
  4. Step 4: Simplify right side
    699,560.40x = 635,218,222,293.36
  5. Step 5: Solve for x
    x = 635,218,222,293.36/699,560.40
  6. Step 6: Final answer
    x = 908,024.84

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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.