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Finding the Fourth Proportional to 319,094.65, 440,348.37 and 175,854.85

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Solution

The fourth proportional to 319,094.65, 440,348.37 and 175,854.85 is: 242,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,094.65 : 440,348.37 = 175,854.85 : x
  2. Step 2: Convert to fraction form
    319,094.65/440,348.37 = 175,854.85/x
  3. Step 3: Cross multiply
    319,094.65x = 440,348.37 × 175,854.85
  4. Step 4: Simplify right side
    319,094.65x = 77,437,396,554.09
  5. Step 5: Solve for x
    x = 77,437,396,554.09/319,094.65
  6. Step 6: Final answer
    x = 242,678.45

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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.