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Finding the Fourth Proportional to 267,461.52, 398,801.10 and 260,113.20

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Solution

The fourth proportional to 267,461.52, 398,801.10 and 260,113.20 is: 387,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,461.52 : 398,801.10 = 260,113.20 : x
  2. Step 2: Convert to fraction form
    267,461.52/398,801.10 = 260,113.20/x
  3. Step 3: Cross multiply
    267,461.52x = 398,801.10 × 260,113.20
  4. Step 4: Simplify right side
    267,461.52x = 103,733,430,284.52
  5. Step 5: Solve for x
    x = 103,733,430,284.52/267,461.52
  6. Step 6: Final answer
    x = 387,844.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.