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Finding the Fourth Proportional to 292,423.52, 403,563.12 and 165,052.64

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Solution

The fourth proportional to 292,423.52, 403,563.12 and 165,052.64 is: 227,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,423.52 : 403,563.12 = 165,052.64 : x
  2. Step 2: Convert to fraction form
    292,423.52/403,563.12 = 165,052.64/x
  3. Step 3: Cross multiply
    292,423.52x = 403,563.12 × 165,052.64
  4. Step 4: Simplify right side
    292,423.52x = 66,609,158,362.64
  5. Step 5: Solve for x
    x = 66,609,158,362.64/292,423.52
  6. Step 6: Final answer
    x = 227,783.18

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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.