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Finding the Fourth Proportional to 652,280.70, 977,643.45 and 273,200.70

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Solution

The fourth proportional to 652,280.70, 977,643.45 and 273,200.70 is: 409,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,280.70 : 977,643.45 = 273,200.70 : x
  2. Step 2: Convert to fraction form
    652,280.70/977,643.45 = 273,200.70/x
  3. Step 3: Cross multiply
    652,280.70x = 977,643.45 × 273,200.70
  4. Step 4: Simplify right side
    652,280.70x = 267,092,874,890.42
  5. Step 5: Solve for x
    x = 267,092,874,890.42/652,280.70
  6. Step 6: Final answer
    x = 409,475.36

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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.