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Finding the Fourth Proportional to 375,028.32, 517,537.20 and 202,946.16

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Solution

The fourth proportional to 375,028.32, 517,537.20 and 202,946.16 is: 280,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,028.32 : 517,537.20 = 202,946.16 : x
  2. Step 2: Convert to fraction form
    375,028.32/517,537.20 = 202,946.16/x
  3. Step 3: Cross multiply
    375,028.32x = 517,537.20 × 202,946.16
  4. Step 4: Simplify right side
    375,028.32x = 105,032,187,397.15
  5. Step 5: Solve for x
    x = 105,032,187,397.15/375,028.32
  6. Step 6: Final answer
    x = 280,064.68

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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.