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Finding the Fourth Proportional to 605,077.20, 907,615.80 and 250,345.80

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Solution

The fourth proportional to 605,077.20, 907,615.80 and 250,345.80 is: 375,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,077.20 : 907,615.80 = 250,345.80 : x
  2. Step 2: Convert to fraction form
    605,077.20/907,615.80 = 250,345.80/x
  3. Step 3: Cross multiply
    605,077.20x = 907,615.80 × 250,345.80
  4. Step 4: Simplify right side
    605,077.20x = 227,217,803,543.64
  5. Step 5: Solve for x
    x = 227,217,803,543.64/605,077.20
  6. Step 6: Final answer
    x = 375,518.70

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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.