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Finding the Fourth Proportional to 754,697.60, 1,041,509.70 and 432,469.92

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Solution

The fourth proportional to 754,697.60, 1,041,509.70 and 432,469.92 is: 596,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,697.60 : 1,041,509.70 = 432,469.92 : x
  2. Step 2: Convert to fraction form
    754,697.60/1,041,509.70 = 432,469.92/x
  3. Step 3: Cross multiply
    754,697.60x = 1,041,509.70 × 432,469.92
  4. Step 4: Simplify right side
    754,697.60x = 450,421,616,638.22
  5. Step 5: Solve for x
    x = 450,421,616,638.22/754,697.60
  6. Step 6: Final answer
    x = 596,823.97

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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.