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Finding the Fourth Proportional to 298,341.28, 411,607.06 and 169,264.56

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Solution

The fourth proportional to 298,341.28, 411,607.06 and 169,264.56 is: 233,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,341.28 : 411,607.06 = 169,264.56 : x
  2. Step 2: Convert to fraction form
    298,341.28/411,607.06 = 169,264.56/x
  3. Step 3: Cross multiply
    298,341.28x = 411,607.06 × 169,264.56
  4. Step 4: Simplify right side
    298,341.28x = 69,670,487,903.79
  5. Step 5: Solve for x
    x = 69,670,487,903.79/298,341.28
  6. Step 6: Final answer
    x = 233,526.14

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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.