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Finding the Fourth Proportional to 319,350.88, 440,698.08 and 176,124.16

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Solution

The fourth proportional to 319,350.88, 440,698.08 and 176,124.16 is: 243,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,350.88 : 440,698.08 = 176,124.16 : x
  2. Step 2: Convert to fraction form
    319,350.88/440,698.08 = 176,124.16/x
  3. Step 3: Cross multiply
    319,350.88x = 440,698.08 × 176,124.16
  4. Step 4: Simplify right side
    319,350.88x = 77,617,579,153.61
  5. Step 5: Solve for x
    x = 77,617,579,153.61/319,350.88
  6. Step 6: Final answer
    x = 243,047.96

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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.