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Finding the Fourth Proportional to 482,403.69, 665,637.35 and 267,509.61

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Solution

The fourth proportional to 482,403.69, 665,637.35 and 267,509.61 is: 369,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,403.69 : 665,637.35 = 267,509.61 : x
  2. Step 2: Convert to fraction form
    482,403.69/665,637.35 = 267,509.61/x
  3. Step 3: Cross multiply
    482,403.69x = 665,637.35 × 267,509.61
  4. Step 4: Simplify right side
    482,403.69x = 178,064,386,562.39
  5. Step 5: Solve for x
    x = 178,064,386,562.39/482,403.69
  6. Step 6: Final answer
    x = 369,119.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.