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Finding the Fourth Proportional to 525,315.68, 788,103.12 and 151,335.44

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Solution

The fourth proportional to 525,315.68, 788,103.12 and 151,335.44 is: 227,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,315.68 : 788,103.12 = 151,335.44 : x
  2. Step 2: Convert to fraction form
    525,315.68/788,103.12 = 151,335.44/x
  3. Step 3: Cross multiply
    525,315.68x = 788,103.12 × 151,335.44
  4. Step 4: Simplify right side
    525,315.68x = 119,267,932,430.57
  5. Step 5: Solve for x
    x = 119,267,932,430.57/525,315.68
  6. Step 6: Final answer
    x = 227,040.50

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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.