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Finding the Fourth Proportional to 525,342.90, 788,082.45 and 240,964.86

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Solution

The fourth proportional to 525,342.90, 788,082.45 and 240,964.86 is: 361,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,342.90 : 788,082.45 = 240,964.86 : x
  2. Step 2: Convert to fraction form
    525,342.90/788,082.45 = 240,964.86/x
  3. Step 3: Cross multiply
    525,342.90x = 788,082.45 × 240,964.86
  4. Step 4: Simplify right side
    525,342.90x = 189,900,177,232.71
  5. Step 5: Solve for x
    x = 189,900,177,232.71/525,342.90
  6. Step 6: Final answer
    x = 361,478.53

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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.