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Finding the Fourth Proportional to 935,472.41, 1,290,952.03 and 505,752.42

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Solution

The fourth proportional to 935,472.41, 1,290,952.03 and 505,752.42 is: 697,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,472.41 : 1,290,952.03 = 505,752.42 : x
  2. Step 2: Convert to fraction form
    935,472.41/1,290,952.03 = 505,752.42/x
  3. Step 3: Cross multiply
    935,472.41x = 1,290,952.03 × 505,752.42
  4. Step 4: Simplify right side
    935,472.41x = 652,902,112,012.03
  5. Step 5: Solve for x
    x = 652,902,112,012.03/935,472.41
  6. Step 6: Final answer
    x = 697,938.40

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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.