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Finding the Fourth Proportional to 723,361.32, 998,077.32 and 432,927.72

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Solution

The fourth proportional to 723,361.32, 998,077.32 and 432,927.72 is: 597,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,361.32 : 998,077.32 = 432,927.72 : x
  2. Step 2: Convert to fraction form
    723,361.32/998,077.32 = 432,927.72/x
  3. Step 3: Cross multiply
    723,361.32x = 998,077.32 × 432,927.72
  4. Step 4: Simplify right side
    723,361.32x = 432,095,338,531.31
  5. Step 5: Solve for x
    x = 432,095,338,531.31/723,361.32
  6. Step 6: Final answer
    x = 597,343.72

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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.