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Finding the Fourth Proportional to 543,063.46, 750,209.32 and 434,028.20

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Solution

The fourth proportional to 543,063.46, 750,209.32 and 434,028.20 is: 599,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,063.46 : 750,209.32 = 434,028.20 : x
  2. Step 2: Convert to fraction form
    543,063.46/750,209.32 = 434,028.20/x
  3. Step 3: Cross multiply
    543,063.46x = 750,209.32 × 434,028.20
  4. Step 4: Simplify right side
    543,063.46x = 325,612,000,782.82
  5. Step 5: Solve for x
    x = 325,612,000,782.82/543,063.46
  6. Step 6: Final answer
    x = 599,583.70

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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.