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Finding the Fourth Proportional to 654,351.60, 981,527.40 and 607,112.40

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Solution

The fourth proportional to 654,351.60, 981,527.40 and 607,112.40 is: 910,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,351.60 : 981,527.40 = 607,112.40 : x
  2. Step 2: Convert to fraction form
    654,351.60/981,527.40 = 607,112.40/x
  3. Step 3: Cross multiply
    654,351.60x = 981,527.40 × 607,112.40
  4. Step 4: Simplify right side
    654,351.60x = 595,897,455,479.76
  5. Step 5: Solve for x
    x = 595,897,455,479.76/654,351.60
  6. Step 6: Final answer
    x = 910,668.60

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Double scale
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Similar ratio
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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.