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Finding the Fourth Proportional to 644,233.40, 966,350.10 and 573,374.60

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Solution

The fourth proportional to 644,233.40, 966,350.10 and 573,374.60 is: 860,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,233.40 : 966,350.10 = 573,374.60 : x
  2. Step 2: Convert to fraction form
    644,233.40/966,350.10 = 573,374.60/x
  3. Step 3: Cross multiply
    644,233.40x = 966,350.10 × 573,374.60
  4. Step 4: Simplify right side
    644,233.40x = 554,080,602,047.46
  5. Step 5: Solve for x
    x = 554,080,602,047.46/644,233.40
  6. Step 6: Final answer
    x = 860,061.90

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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.