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Finding the Fourth Proportional to 292,412.30, 403,483.48 and 165,085.16

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Solution

The fourth proportional to 292,412.30, 403,483.48 and 165,085.16 is: 227,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,412.30 : 403,483.48 = 165,085.16 : x
  2. Step 2: Convert to fraction form
    292,412.30/403,483.48 = 165,085.16/x
  3. Step 3: Cross multiply
    292,412.30x = 403,483.48 × 165,085.16
  4. Step 4: Simplify right side
    292,412.30x = 66,609,132,423.03
  5. Step 5: Solve for x
    x = 66,609,132,423.03/292,412.30
  6. Step 6: Final answer
    x = 227,791.83

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1.5x scale

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.