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Finding the Fourth Proportional to 267,460.02, 398,798.87 and 260,111.70

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Solution

The fourth proportional to 267,460.02, 398,798.87 and 260,111.70 is: 387,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,460.02 : 398,798.87 = 260,111.70 : x
  2. Step 2: Convert to fraction form
    267,460.02/398,798.87 = 260,111.70/x
  3. Step 3: Cross multiply
    267,460.02x = 398,798.87 × 260,111.70
  4. Step 4: Simplify right side
    267,460.02x = 103,732,250,733.22
  5. Step 5: Solve for x
    x = 103,732,250,733.22/267,460.02
  6. Step 6: Final answer
    x = 387,842.08

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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.