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Finding the Fourth Proportional to 432,017.70, 603,425.10 and 432,017.70

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Solution

The fourth proportional to 432,017.70, 603,425.10 and 432,017.70 is: 603,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,017.70 : 603,425.10 = 432,017.70 : x
  2. Step 2: Convert to fraction form
    432,017.70/603,425.10 = 432,017.70/x
  3. Step 3: Cross multiply
    432,017.70x = 603,425.10 × 432,017.70
  4. Step 4: Simplify right side
    432,017.70x = 260,690,323,824.27
  5. Step 5: Solve for x
    x = 260,690,323,824.27/432,017.70
  6. Step 6: Final answer
    x = 603,425.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.