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Finding the Fourth Proportional to 423,693.48, 584,452.90 and 253,829.18

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Solution

The fourth proportional to 423,693.48, 584,452.90 and 253,829.18 is: 350,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,693.48 : 584,452.90 = 253,829.18 : x
  2. Step 2: Convert to fraction form
    423,693.48/584,452.90 = 253,829.18/x
  3. Step 3: Cross multiply
    423,693.48x = 584,452.90 × 253,829.18
  4. Step 4: Simplify right side
    423,693.48x = 148,351,200,355.62
  5. Step 5: Solve for x
    x = 148,351,200,355.62/423,693.48
  6. Step 6: Final answer
    x = 350,138.03

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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.