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Finding the Fourth Proportional to 546,690.88, 754,431.32 and 304,973.26

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Solution

The fourth proportional to 546,690.88, 754,431.32 and 304,973.26 is: 420,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,690.88 : 754,431.32 = 304,973.26 : x
  2. Step 2: Convert to fraction form
    546,690.88/754,431.32 = 304,973.26/x
  3. Step 3: Cross multiply
    546,690.88x = 754,431.32 × 304,973.26
  4. Step 4: Simplify right side
    546,690.88x = 230,081,379,106.50
  5. Step 5: Solve for x
    x = 230,081,379,106.50/546,690.88
  6. Step 6: Final answer
    x = 420,861.93

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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.