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Finding the Fourth Proportional to 543,358.60, 814,260.30 and 376,952.20

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Solution

The fourth proportional to 543,358.60, 814,260.30 and 376,952.20 is: 564,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,358.60 : 814,260.30 = 376,952.20 : x
  2. Step 2: Convert to fraction form
    543,358.60/814,260.30 = 376,952.20/x
  3. Step 3: Cross multiply
    543,358.60x = 814,260.30 × 376,952.20
  4. Step 4: Simplify right side
    543,358.60x = 306,937,211,457.66
  5. Step 5: Solve for x
    x = 306,937,211,457.66/543,358.60
  6. Step 6: Final answer
    x = 564,888.84

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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.