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Finding the Fourth Proportional to 292,605.61, 403,969.76 and 185,267.65

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Solution

The fourth proportional to 292,605.61, 403,969.76 and 185,267.65 is: 255,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,605.61 : 403,969.76 = 185,267.65 : x
  2. Step 2: Convert to fraction form
    292,605.61/403,969.76 = 185,267.65/x
  3. Step 3: Cross multiply
    292,605.61x = 403,969.76 × 185,267.65
  4. Step 4: Simplify right side
    292,605.61x = 74,842,526,864.76
  5. Step 5: Solve for x
    x = 74,842,526,864.76/292,605.61
  6. Step 6: Final answer
    x = 255,779.54

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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.