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Finding the Fourth Proportional to 292,393.89, 403,460.62 and 163,316.46

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Solution

The fourth proportional to 292,393.89, 403,460.62 and 163,316.46 is: 225,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,393.89 : 403,460.62 = 163,316.46 : x
  2. Step 2: Convert to fraction form
    292,393.89/403,460.62 = 163,316.46/x
  3. Step 3: Cross multiply
    292,393.89x = 403,460.62 × 163,316.46
  4. Step 4: Simplify right side
    292,393.89x = 65,891,760,207.81
  5. Step 5: Solve for x
    x = 65,891,760,207.81/292,393.89
  6. Step 6: Final answer
    x = 225,352.73

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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.