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Finding the Fourth Proportional to 494,554.60, 740,957.10 and 424,570.60

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Solution

The fourth proportional to 494,554.60, 740,957.10 and 424,570.60 is: 636,104.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,554.60 : 740,957.10 = 424,570.60 : x
  2. Step 2: Convert to fraction form
    494,554.60/740,957.10 = 424,570.60/x
  3. Step 3: Cross multiply
    494,554.60x = 740,957.10 × 424,570.60
  4. Step 4: Simplify right side
    494,554.60x = 314,588,600,521.26
  5. Step 5: Solve for x
    x = 314,588,600,521.26/494,554.60
  6. Step 6: Final answer
    x = 636,104.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.