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Finding the Fourth Proportional to 653,530.05, 980,355.50 and 254,201.13

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Solution

The fourth proportional to 653,530.05, 980,355.50 and 254,201.13 is: 381,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,530.05 : 980,355.50 = 254,201.13 : x
  2. Step 2: Convert to fraction form
    653,530.05/980,355.50 = 254,201.13/x
  3. Step 3: Cross multiply
    653,530.05x = 980,355.50 × 254,201.13
  4. Step 4: Simplify right side
    653,530.05x = 249,207,475,901.72
  5. Step 5: Solve for x
    x = 249,207,475,901.72/653,530.05
  6. Step 6: Final answer
    x = 381,325.20

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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.