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Finding the Fourth Proportional to 314,796.48, 434,369.84 and 176,948.12

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Solution

The fourth proportional to 314,796.48, 434,369.84 and 176,948.12 is: 244,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,796.48 : 434,369.84 = 176,948.12 : x
  2. Step 2: Convert to fraction form
    314,796.48/434,369.84 = 176,948.12/x
  3. Step 3: Cross multiply
    314,796.48x = 434,369.84 × 176,948.12
  4. Step 4: Simplify right side
    314,796.48x = 76,860,926,572.70
  5. Step 5: Solve for x
    x = 76,860,926,572.70/314,796.48
  6. Step 6: Final answer
    x = 244,160.69

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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.