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Finding the Fourth Proportional to 424,007.90, 595,185.70 and 424,007.90

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Solution

The fourth proportional to 424,007.90, 595,185.70 and 424,007.90 is: 595,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,007.90 : 595,185.70 = 424,007.90 : x
  2. Step 2: Convert to fraction form
    424,007.90/595,185.70 = 424,007.90/x
  3. Step 3: Cross multiply
    424,007.90x = 595,185.70 × 424,007.90
  4. Step 4: Simplify right side
    424,007.90x = 252,363,438,767.03
  5. Step 5: Solve for x
    x = 252,363,438,767.03/424,007.90
  6. Step 6: Final answer
    x = 595,185.70

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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.