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Finding the Fourth Proportional to 319,301.90, 440,614.08 and 176,058.89

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Solution

The fourth proportional to 319,301.90, 440,614.08 and 176,058.89 is: 242,948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,301.90 : 440,614.08 = 176,058.89 : x
  2. Step 2: Convert to fraction form
    319,301.90/440,614.08 = 176,058.89/x
  3. Step 3: Cross multiply
    319,301.90x = 440,614.08 × 176,058.89
  4. Step 4: Simplify right side
    319,301.90x = 77,574,023,640.10
  5. Step 5: Solve for x
    x = 77,574,023,640.10/319,301.90
  6. Step 6: Final answer
    x = 242,948.84

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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.