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Finding the Fourth Proportional to 709,899.48, 980,697.65 and 614,240.10

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Solution

The fourth proportional to 709,899.48, 980,697.65 and 614,240.10 is: 848,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,899.48 : 980,697.65 = 614,240.10 : x
  2. Step 2: Convert to fraction form
    709,899.48/980,697.65 = 614,240.10/x
  3. Step 3: Cross multiply
    709,899.48x = 980,697.65 × 614,240.10
  4. Step 4: Simplify right side
    709,899.48x = 602,383,819,534.57
  5. Step 5: Solve for x
    x = 602,383,819,534.57/709,899.48
  6. Step 6: Final answer
    x = 848,548.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.