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Finding the Fourth Proportional to 296,836.40, 409,657.56 and 183,695.60

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Solution

The fourth proportional to 296,836.40, 409,657.56 and 183,695.60 is: 253,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,836.40 : 409,657.56 = 183,695.60 : x
  2. Step 2: Convert to fraction form
    296,836.40/409,657.56 = 183,695.60/x
  3. Step 3: Cross multiply
    296,836.40x = 409,657.56 × 183,695.60
  4. Step 4: Simplify right side
    296,836.40x = 75,252,291,278.74
  5. Step 5: Solve for x
    x = 75,252,291,278.74/296,836.40
  6. Step 6: Final answer
    x = 253,514.36

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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.