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Finding the Fourth Proportional to 319,094.28, 440,350.10 and 175,854.32

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Solution

The fourth proportional to 319,094.28, 440,350.10 and 175,854.32 is: 242,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,094.28 : 440,350.10 = 175,854.32 : x
  2. Step 2: Convert to fraction form
    319,094.28/440,350.10 = 175,854.32/x
  3. Step 3: Cross multiply
    319,094.28x = 440,350.10 × 175,854.32
  4. Step 4: Simplify right side
    319,094.28x = 77,437,467,397.43
  5. Step 5: Solve for x
    x = 77,437,467,397.43/319,094.28
  6. Step 6: Final answer
    x = 242,678.96

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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.