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Finding the Fourth Proportional to 404,543.40, 607,058.10 and 167,861.40

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Solution

The fourth proportional to 404,543.40, 607,058.10 and 167,861.40 is: 251,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,543.40 : 607,058.10 = 167,861.40 : x
  2. Step 2: Convert to fraction form
    404,543.40/607,058.10 = 167,861.40/x
  3. Step 3: Cross multiply
    404,543.40x = 607,058.10 × 167,861.40
  4. Step 4: Simplify right side
    404,543.40x = 101,901,622,547.34
  5. Step 5: Solve for x
    x = 101,901,622,547.34/404,543.40
  6. Step 6: Final answer
    x = 251,892.93

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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.