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Finding the Fourth Proportional to 528,060.71, 791,774.74 and 168,076.06

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Solution

The fourth proportional to 528,060.71, 791,774.74 and 168,076.06 is: 252,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,060.71 : 791,774.74 = 168,076.06 : x
  2. Step 2: Convert to fraction form
    528,060.71/791,774.74 = 168,076.06/x
  3. Step 3: Cross multiply
    528,060.71x = 791,774.74 × 168,076.06
  4. Step 4: Simplify right side
    528,060.71x = 133,078,376,937.38
  5. Step 5: Solve for x
    x = 133,078,376,937.38/528,060.71
  6. Step 6: Final answer
    x = 252,013.40

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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.