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Finding the Fourth Proportional to 319,152.54, 440,425.20 and 175,925.88

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Solution

The fourth proportional to 319,152.54, 440,425.20 and 175,925.88 is: 242,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,152.54 : 440,425.20 = 175,925.88 : x
  2. Step 2: Convert to fraction form
    319,152.54/440,425.20 = 175,925.88/x
  3. Step 3: Cross multiply
    319,152.54x = 440,425.20 × 175,925.88
  4. Step 4: Simplify right side
    319,152.54x = 77,482,190,884.18
  5. Step 5: Solve for x
    x = 77,482,190,884.18/319,152.54
  6. Step 6: Final answer
    x = 242,774.79

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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.