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Finding the Fourth Proportional to 296,988.56, 409,447.72 and 235,937.34

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Solution

The fourth proportional to 296,988.56, 409,447.72 and 235,937.34 is: 325,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,988.56 : 409,447.72 = 235,937.34 : x
  2. Step 2: Convert to fraction form
    296,988.56/409,447.72 = 235,937.34/x
  3. Step 3: Cross multiply
    296,988.56x = 409,447.72 × 235,937.34
  4. Step 4: Simplify right side
    296,988.56x = 96,604,005,925.86
  5. Step 5: Solve for x
    x = 96,604,005,925.86/296,988.56
  6. Step 6: Final answer
    x = 325,278.54

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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.