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Finding the Fourth Proportional to 318,108.06, 476,768.16 and 160,250.40

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Solution

The fourth proportional to 318,108.06, 476,768.16 and 160,250.40 is: 240,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,108.06 : 476,768.16 = 160,250.40 : x
  2. Step 2: Convert to fraction form
    318,108.06/476,768.16 = 160,250.40/x
  3. Step 3: Cross multiply
    318,108.06x = 476,768.16 × 160,250.40
  4. Step 4: Simplify right side
    318,108.06x = 76,402,288,347.26
  5. Step 5: Solve for x
    x = 76,402,288,347.26/318,108.06
  6. Step 6: Final answer
    x = 240,177.15

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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.