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Finding the Fourth Proportional to 438,051.73, 604,510.53 and 247,064.53

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Solution

The fourth proportional to 438,051.73, 604,510.53 and 247,064.53 is: 340,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,051.73 : 604,510.53 = 247,064.53 : x
  2. Step 2: Convert to fraction form
    438,051.73/604,510.53 = 247,064.53/x
  3. Step 3: Cross multiply
    438,051.73x = 604,510.53 × 247,064.53
  4. Step 4: Simplify right side
    438,051.73x = 149,353,109,974.50
  5. Step 5: Solve for x
    x = 149,353,109,974.50/438,051.73
  6. Step 6: Final answer
    x = 340,948.57

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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.