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Finding the Fourth Proportional to 434,557.20, 651,835.80 and 410,062.80

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Solution

The fourth proportional to 434,557.20, 651,835.80 and 410,062.80 is: 615,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,557.20 : 651,835.80 = 410,062.80 : x
  2. Step 2: Convert to fraction form
    434,557.20/651,835.80 = 410,062.80/x
  3. Step 3: Cross multiply
    434,557.20x = 651,835.80 × 410,062.80
  4. Step 4: Simplify right side
    434,557.20x = 267,293,613,288.24
  5. Step 5: Solve for x
    x = 267,293,613,288.24/434,557.20
  6. Step 6: Final answer
    x = 615,094.20

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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.