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Finding the Fourth Proportional to 372,480.42, 514,013.13 and 202,710.90

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Solution

The fourth proportional to 372,480.42, 514,013.13 and 202,710.90 is: 279,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,480.42 : 514,013.13 = 202,710.90 : x
  2. Step 2: Convert to fraction form
    372,480.42/514,013.13 = 202,710.90/x
  3. Step 3: Cross multiply
    372,480.42x = 514,013.13 × 202,710.90
  4. Step 4: Simplify right side
    372,480.42x = 104,196,064,194.12
  5. Step 5: Solve for x
    x = 104,196,064,194.12/372,480.42
  6. Step 6: Final answer
    x = 279,735.68

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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.