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Finding the Fourth Proportional to 319,210.74, 440,512.16 and 175,967.64

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Solution

The fourth proportional to 319,210.74, 440,512.16 and 175,967.64 is: 242,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,210.74 : 440,512.16 = 175,967.64 : x
  2. Step 2: Convert to fraction form
    319,210.74/440,512.16 = 175,967.64/x
  3. Step 3: Cross multiply
    319,210.74x = 440,512.16 × 175,967.64
  4. Step 4: Simplify right side
    319,210.74x = 77,515,884,306.66
  5. Step 5: Solve for x
    x = 77,515,884,306.66/319,210.74
  6. Step 6: Final answer
    x = 242,836.08

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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.