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Finding the Fourth Proportional to 314,801.90, 434,376.96 and 176,953.64

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Solution

The fourth proportional to 314,801.90, 434,376.96 and 176,953.64 is: 244,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,801.90 : 434,376.96 = 176,953.64 : x
  2. Step 2: Convert to fraction form
    314,801.90/434,376.96 = 176,953.64/x
  3. Step 3: Cross multiply
    314,801.90x = 434,376.96 × 176,953.64
  4. Step 4: Simplify right side
    314,801.90x = 76,864,584,204.13
  5. Step 5: Solve for x
    x = 76,864,584,204.13/314,801.90
  6. Step 6: Final answer
    x = 244,168.11

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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.