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Finding the Fourth Proportional to 658,083.96, 908,176.86 and 403,692.12

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Solution

The fourth proportional to 658,083.96, 908,176.86 and 403,692.12 is: 557,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,083.96 : 908,176.86 = 403,692.12 : x
  2. Step 2: Convert to fraction form
    658,083.96/908,176.86 = 403,692.12/x
  3. Step 3: Cross multiply
    658,083.96x = 908,176.86 × 403,692.12
  4. Step 4: Simplify right side
    658,083.96x = 366,623,841,948.34
  5. Step 5: Solve for x
    x = 366,623,841,948.34/658,083.96
  6. Step 6: Final answer
    x = 557,108.00

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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.