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Finding the Fourth Proportional to 546,956.48, 754,818 and 317,495.36

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Solution

The fourth proportional to 546,956.48, 754,818 and 317,495.36 is: 438,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,956.48 : 754,818 = 317,495.36 : x
  2. Step 2: Convert to fraction form
    546,956.48/754,818 = 317,495.36/x
  3. Step 3: Cross multiply
    546,956.48x = 754,818 × 317,495.36
  4. Step 4: Simplify right side
    546,956.48x = 239,651,212,644.48
  5. Step 5: Solve for x
    x = 239,651,212,644.48/546,956.48
  6. Step 6: Final answer
    x = 438,154.08

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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.