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Finding the Fourth Proportional to 296,484.30, 409,148.55 and 160,518.33

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Solution

The fourth proportional to 296,484.30, 409,148.55 and 160,518.33 is: 221,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,484.30 : 409,148.55 = 160,518.33 : x
  2. Step 2: Convert to fraction form
    296,484.30/409,148.55 = 160,518.33/x
  3. Step 3: Cross multiply
    296,484.30x = 409,148.55 × 160,518.33
  4. Step 4: Simplify right side
    296,484.30x = 65,675,841,967.92
  5. Step 5: Solve for x
    x = 65,675,841,967.92/296,484.30
  6. Step 6: Final answer
    x = 221,515.41

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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.