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Finding the Fourth Proportional to 296,456.16, 409,105.44 and 162,320.16

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Solution

The fourth proportional to 296,456.16, 409,105.44 and 162,320.16 is: 223,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,456.16 : 409,105.44 = 162,320.16 : x
  2. Step 2: Convert to fraction form
    296,456.16/409,105.44 = 162,320.16/x
  3. Step 3: Cross multiply
    296,456.16x = 409,105.44 × 162,320.16
  4. Step 4: Simplify right side
    296,456.16x = 66,406,060,477.67
  5. Step 5: Solve for x
    x = 66,406,060,477.67/296,456.16
  6. Step 6: Final answer
    x = 223,999.60

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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.