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Finding the Fourth Proportional to 466,456.80, 700,030.80 and 342,040.80

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Solution

The fourth proportional to 466,456.80, 700,030.80 and 342,040.80 is: 513,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,456.80 : 700,030.80 = 342,040.80 : x
  2. Step 2: Convert to fraction form
    466,456.80/700,030.80 = 342,040.80/x
  3. Step 3: Cross multiply
    466,456.80x = 700,030.80 × 342,040.80
  4. Step 4: Simplify right side
    466,456.80x = 239,439,094,856.64
  5. Step 5: Solve for x
    x = 239,439,094,856.64/466,456.80
  6. Step 6: Final answer
    x = 513,314.62

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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.