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Finding the Fourth Proportional to 615,002.40, 847,443.60 and 453,601.80

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Solution

The fourth proportional to 615,002.40, 847,443.60 and 453,601.80 is: 625,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,002.40 : 847,443.60 = 453,601.80 : x
  2. Step 2: Convert to fraction form
    615,002.40/847,443.60 = 453,601.80/x
  3. Step 3: Cross multiply
    615,002.40x = 847,443.60 × 453,601.80
  4. Step 4: Simplify right side
    615,002.40x = 384,401,942,358.48
  5. Step 5: Solve for x
    x = 384,401,942,358.48/615,002.40
  6. Step 6: Final answer
    x = 625,041.37

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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.