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Finding the Fourth Proportional to 292,316.91, 438,487.56 and 92,632.88

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Solution

The fourth proportional to 292,316.91, 438,487.56 and 92,632.88 is: 138,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,316.91 : 438,487.56 = 92,632.88 : x
  2. Step 2: Convert to fraction form
    292,316.91/438,487.56 = 92,632.88/x
  3. Step 3: Cross multiply
    292,316.91x = 438,487.56 × 92,632.88
  4. Step 4: Simplify right side
    292,316.91x = 40,618,365,526.97
  5. Step 5: Solve for x
    x = 40,618,365,526.97/292,316.91
  6. Step 6: Final answer
    x = 138,953.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.