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Finding the Fourth Proportional to 700,024.80, 1,048,870.80 and 658,034.40

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Solution

The fourth proportional to 700,024.80, 1,048,870.80 and 658,034.40 is: 985,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,024.80 : 1,048,870.80 = 658,034.40 : x
  2. Step 2: Convert to fraction form
    700,024.80/1,048,870.80 = 658,034.40/x
  3. Step 3: Cross multiply
    700,024.80x = 1,048,870.80 × 658,034.40
  4. Step 4: Simplify right side
    700,024.80x = 690,193,067,555.52
  5. Step 5: Solve for x
    x = 690,193,067,555.52/700,024.80
  6. Step 6: Final answer
    x = 985,955.17

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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.