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Finding the Fourth Proportional to 546,798.19, 754,580.46 and 305,066.38

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Solution

The fourth proportional to 546,798.19, 754,580.46 and 305,066.38 is: 420,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,798.19 : 754,580.46 = 305,066.38 : x
  2. Step 2: Convert to fraction form
    546,798.19/754,580.46 = 305,066.38/x
  3. Step 3: Cross multiply
    546,798.19x = 754,580.46 × 305,066.38
  4. Step 4: Simplify right side
    546,798.19x = 230,197,129,350.94
  5. Step 5: Solve for x
    x = 230,197,129,350.94/546,798.19
  6. Step 6: Final answer
    x = 420,991.02

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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.