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Finding the Fourth Proportional to 319,708.89, 479,106.14 and 234,802.85

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Solution

The fourth proportional to 319,708.89, 479,106.14 and 234,802.85 is: 351,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,708.89 : 479,106.14 = 234,802.85 : x
  2. Step 2: Convert to fraction form
    319,708.89/479,106.14 = 234,802.85/x
  3. Step 3: Cross multiply
    319,708.89x = 479,106.14 × 234,802.85
  4. Step 4: Simplify right side
    319,708.89x = 112,495,483,554.95
  5. Step 5: Solve for x
    x = 112,495,483,554.95/319,708.89
  6. Step 6: Final answer
    x = 351,868.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.