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Finding the Fourth Proportional to 319,483.98, 440,885.43 and 176,250.06

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Solution

The fourth proportional to 319,483.98, 440,885.43 and 176,250.06 is: 243,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,483.98 : 440,885.43 = 176,250.06 : x
  2. Step 2: Convert to fraction form
    319,483.98/440,885.43 = 176,250.06/x
  3. Step 3: Cross multiply
    319,483.98x = 440,885.43 × 176,250.06
  4. Step 4: Simplify right side
    319,483.98x = 77,706,083,490.63
  5. Step 5: Solve for x
    x = 77,706,083,490.63/319,483.98
  6. Step 6: Final answer
    x = 243,223.72

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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.