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Finding the Fourth Proportional to 648,615.70, 972,923.55 and 227,934.10

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Solution

The fourth proportional to 648,615.70, 972,923.55 and 227,934.10 is: 341,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,615.70 : 972,923.55 = 227,934.10 : x
  2. Step 2: Convert to fraction form
    648,615.70/972,923.55 = 227,934.10/x
  3. Step 3: Cross multiply
    648,615.70x = 972,923.55 × 227,934.10
  4. Step 4: Simplify right side
    648,615.70x = 221,762,453,738.06
  5. Step 5: Solve for x
    x = 221,762,453,738.06/648,615.70
  6. Step 6: Final answer
    x = 341,901.15

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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.