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Finding the Fourth Proportional to 528,044.70, 791,872.65 and 173,070.30

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Solution

The fourth proportional to 528,044.70, 791,872.65 and 173,070.30 is: 259,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,044.70 : 791,872.65 = 173,070.30 : x
  2. Step 2: Convert to fraction form
    528,044.70/791,872.65 = 173,070.30/x
  3. Step 3: Cross multiply
    528,044.70x = 791,872.65 × 173,070.30
  4. Step 4: Simplify right side
    528,044.70x = 137,049,637,097.30
  5. Step 5: Solve for x
    x = 137,049,637,097.30/528,044.70
  6. Step 6: Final answer
    x = 259,541.73

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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.