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Finding the Fourth Proportional to 546,633.60, 754,355.51 and 304,909.93

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Solution

The fourth proportional to 546,633.60, 754,355.51 and 304,909.93 is: 420,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,633.60 : 754,355.51 = 304,909.93 : x
  2. Step 2: Convert to fraction form
    546,633.60/754,355.51 = 304,909.93/x
  3. Step 3: Cross multiply
    546,633.60x = 754,355.51 × 304,909.93
  4. Step 4: Simplify right side
    546,633.60x = 230,010,485,749.21
  5. Step 5: Solve for x
    x = 230,010,485,749.21/546,633.60
  6. Step 6: Final answer
    x = 420,776.34

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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.