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Finding the Fourth Proportional to 754,707.56, 1,041,479.56 and 432,607.56

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Solution

The fourth proportional to 754,707.56, 1,041,479.56 and 432,607.56 is: 596,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,707.56 : 1,041,479.56 = 432,607.56 : x
  2. Step 2: Convert to fraction form
    754,707.56/1,041,479.56 = 432,607.56/x
  3. Step 3: Cross multiply
    754,707.56x = 1,041,479.56 × 432,607.56
  4. Step 4: Simplify right side
    754,707.56x = 450,551,931,241.47
  5. Step 5: Solve for x
    x = 450,551,931,241.47/754,707.56
  6. Step 6: Final answer
    x = 596,988.76

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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.