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Finding the Fourth Proportional to 543,698.34, 815,547.51 and 169,753.38

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Solution

The fourth proportional to 543,698.34, 815,547.51 and 169,753.38 is: 254,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,698.34 : 815,547.51 = 169,753.38 : x
  2. Step 2: Convert to fraction form
    543,698.34/815,547.51 = 169,753.38/x
  3. Step 3: Cross multiply
    543,698.34x = 815,547.51 × 169,753.38
  4. Step 4: Simplify right side
    543,698.34x = 138,441,946,373.08
  5. Step 5: Solve for x
    x = 138,441,946,373.08/543,698.34
  6. Step 6: Final answer
    x = 254,630.07

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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.