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Finding the Fourth Proportional to 319,068.88, 440,294.23 and 175,828.89

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Solution

The fourth proportional to 319,068.88, 440,294.23 and 175,828.89 is: 242,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,068.88 : 440,294.23 = 175,828.89 : x
  2. Step 2: Convert to fraction form
    319,068.88/440,294.23 = 175,828.89/x
  3. Step 3: Cross multiply
    319,068.88x = 440,294.23 × 175,828.89
  4. Step 4: Simplify right side
    319,068.88x = 77,416,445,734.30
  5. Step 5: Solve for x
    x = 77,416,445,734.30/319,068.88
  6. Step 6: Final answer
    x = 242,632.39

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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.