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Finding the Fourth Proportional to 619,280.88, 929,077.43 and 176,048.88

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Solution

The fourth proportional to 619,280.88, 929,077.43 and 176,048.88 is: 264,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,280.88 : 929,077.43 = 176,048.88 : x
  2. Step 2: Convert to fraction form
    619,280.88/929,077.43 = 176,048.88/x
  3. Step 3: Cross multiply
    619,280.88x = 929,077.43 × 176,048.88
  4. Step 4: Simplify right side
    619,280.88x = 163,563,040,984.78
  5. Step 5: Solve for x
    x = 163,563,040,984.78/619,280.88
  6. Step 6: Final answer
    x = 264,117.70

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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.