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Finding the Fourth Proportional to 543,589.79, 750,176.54 and 301,874.34

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Solution

The fourth proportional to 543,589.79, 750,176.54 and 301,874.34 is: 416,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,589.79 : 750,176.54 = 301,874.34 : x
  2. Step 2: Convert to fraction form
    543,589.79/750,176.54 = 301,874.34/x
  3. Step 3: Cross multiply
    543,589.79x = 750,176.54 × 301,874.34
  4. Step 4: Simplify right side
    543,589.79x = 226,459,050,331.80
  5. Step 5: Solve for x
    x = 226,459,050,331.80/543,589.79
  6. Step 6: Final answer
    x = 416,599.16

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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.