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Finding the Fourth Proportional to 681,360.53, 940,265.13 and 375,465.14

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Solution

The fourth proportional to 681,360.53, 940,265.13 and 375,465.14 is: 518,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,360.53 : 940,265.13 = 375,465.14 : x
  2. Step 2: Convert to fraction form
    681,360.53/940,265.13 = 375,465.14/x
  3. Step 3: Cross multiply
    681,360.53x = 940,265.13 × 375,465.14
  4. Step 4: Simplify right side
    681,360.53x = 353,036,778,672.57
  5. Step 5: Solve for x
    x = 353,036,778,672.57/681,360.53
  6. Step 6: Final answer
    x = 518,135.06

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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.