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Finding the Fourth Proportional to 543,892.54, 750,527.70 and 314,464.55

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Solution

The fourth proportional to 543,892.54, 750,527.70 and 314,464.55 is: 433,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,892.54 : 750,527.70 = 314,464.55 : x
  2. Step 2: Convert to fraction form
    543,892.54/750,527.70 = 314,464.55/x
  3. Step 3: Cross multiply
    543,892.54x = 750,527.70 × 314,464.55
  4. Step 4: Simplify right side
    543,892.54x = 236,014,352,780.55
  5. Step 5: Solve for x
    x = 236,014,352,780.55/543,892.54
  6. Step 6: Final answer
    x = 433,935.63

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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.