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Finding the Fourth Proportional to 319,352.88, 440,700.84 and 176,126.16

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Solution

The fourth proportional to 319,352.88, 440,700.84 and 176,126.16 is: 243,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,352.88 : 440,700.84 = 176,126.16 : x
  2. Step 2: Convert to fraction form
    319,352.88/440,700.84 = 176,126.16/x
  3. Step 3: Cross multiply
    319,352.88x = 440,700.84 × 176,126.16
  4. Step 4: Simplify right side
    319,352.88x = 77,618,946,657.97
  5. Step 5: Solve for x
    x = 77,618,946,657.97/319,352.88
  6. Step 6: Final answer
    x = 243,050.72

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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.