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Finding the Fourth Proportional to 296,574.66, 409,334.85 and 272,663.46

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Solution

The fourth proportional to 296,574.66, 409,334.85 and 272,663.46 is: 376,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,574.66 : 409,334.85 = 272,663.46 : x
  2. Step 2: Convert to fraction form
    296,574.66/409,334.85 = 272,663.46/x
  3. Step 3: Cross multiply
    296,574.66x = 409,334.85 × 272,663.46
  4. Step 4: Simplify right side
    296,574.66x = 111,610,656,499.58
  5. Step 5: Solve for x
    x = 111,610,656,499.58/296,574.66
  6. Step 6: Final answer
    x = 376,332.41

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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.