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Finding the Fourth Proportional to 372,649.90, 514,256.16 and 202,883.62

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Solution

The fourth proportional to 372,649.90, 514,256.16 and 202,883.62 is: 279,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,649.90 : 514,256.16 = 202,883.62 : x
  2. Step 2: Convert to fraction form
    372,649.90/514,256.16 = 202,883.62/x
  3. Step 3: Cross multiply
    372,649.90x = 514,256.16 × 202,883.62
  4. Step 4: Simplify right side
    372,649.90x = 104,334,151,348.10
  5. Step 5: Solve for x
    x = 104,334,151,348.10/372,649.90
  6. Step 6: Final answer
    x = 279,979.01

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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.