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Finding the Fourth Proportional to 616,248.80, 925,323.60 and 336,312.80

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Solution

The fourth proportional to 616,248.80, 925,323.60 and 336,312.80 is: 504,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,248.80 : 925,323.60 = 336,312.80 : x
  2. Step 2: Convert to fraction form
    616,248.80/925,323.60 = 336,312.80/x
  3. Step 3: Cross multiply
    616,248.80x = 925,323.60 × 336,312.80
  4. Step 4: Simplify right side
    616,248.80x = 311,198,170,822.08
  5. Step 5: Solve for x
    x = 311,198,170,822.08/616,248.80
  6. Step 6: Final answer
    x = 504,987.87

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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.