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Finding the Fourth Proportional to 754,563.32, 1,041,445.32 and 432,489.32

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Solution

The fourth proportional to 754,563.32, 1,041,445.32 and 432,489.32 is: 596,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,563.32 : 1,041,445.32 = 432,489.32 : x
  2. Step 2: Convert to fraction form
    754,563.32/1,041,445.32 = 432,489.32/x
  3. Step 3: Cross multiply
    754,563.32x = 1,041,445.32 × 432,489.32
  4. Step 4: Simplify right side
    754,563.32x = 450,413,978,263.98
  5. Step 5: Solve for x
    x = 450,413,978,263.98/754,563.32
  6. Step 6: Final answer
    x = 596,920.05

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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.