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Finding the Fourth Proportional to 425,230.20, 637,614.90 and 175,937.40

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Solution

The fourth proportional to 425,230.20, 637,614.90 and 175,937.40 is: 263,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,230.20 : 637,614.90 = 175,937.40 : x
  2. Step 2: Convert to fraction form
    425,230.20/637,614.90 = 175,937.40/x
  3. Step 3: Cross multiply
    425,230.20x = 637,614.90 × 175,937.40
  4. Step 4: Simplify right side
    425,230.20x = 112,180,307,707.26
  5. Step 5: Solve for x
    x = 112,180,307,707.26/425,230.20
  6. Step 6: Final answer
    x = 263,810.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.