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Finding the Fourth Proportional to 546,605.60, 754,313.76 and 304,888

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Solution

The fourth proportional to 546,605.60, 754,313.76 and 304,888 is: 420,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,605.60 : 754,313.76 = 304,888 : x
  2. Step 2: Convert to fraction form
    546,605.60/754,313.76 = 304,888/x
  3. Step 3: Cross multiply
    546,605.60x = 754,313.76 × 304,888
  4. Step 4: Simplify right side
    546,605.60x = 229,981,213,658.88
  5. Step 5: Solve for x
    x = 229,981,213,658.88/546,605.60
  6. Step 6: Final answer
    x = 420,744.34

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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.