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Finding the Fourth Proportional to 362,117.70, 543,176.55 and 268,805.70

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Solution

The fourth proportional to 362,117.70, 543,176.55 and 268,805.70 is: 403,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,117.70 : 543,176.55 = 268,805.70 : x
  2. Step 2: Convert to fraction form
    362,117.70/543,176.55 = 268,805.70/x
  3. Step 3: Cross multiply
    362,117.70x = 543,176.55 × 268,805.70
  4. Step 4: Simplify right side
    362,117.70x = 146,008,952,746.34
  5. Step 5: Solve for x
    x = 146,008,952,746.34/362,117.70
  6. Step 6: Final answer
    x = 403,208.55

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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.