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Finding the Fourth Proportional to 543,693.39, 750,276.03 and 301,991.40

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Solution

The fourth proportional to 543,693.39, 750,276.03 and 301,991.40 is: 416,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,693.39 : 750,276.03 = 301,991.40 : x
  2. Step 2: Convert to fraction form
    543,693.39/750,276.03 = 301,991.40/x
  3. Step 3: Cross multiply
    543,693.39x = 750,276.03 × 301,991.40
  4. Step 4: Simplify right side
    543,693.39x = 226,576,908,686.14
  5. Step 5: Solve for x
    x = 226,576,908,686.14/543,693.39
  6. Step 6: Final answer
    x = 416,736.55

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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.