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Finding the Fourth Proportional to 464,870.57, 697,679.46 and 240,296.79

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Solution

The fourth proportional to 464,870.57, 697,679.46 and 240,296.79 is: 360,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,870.57 : 697,679.46 = 240,296.79 : x
  2. Step 2: Convert to fraction form
    464,870.57/697,679.46 = 240,296.79/x
  3. Step 3: Cross multiply
    464,870.57x = 697,679.46 × 240,296.79
  4. Step 4: Simplify right side
    464,870.57x = 167,650,134,686.93
  5. Step 5: Solve for x
    x = 167,650,134,686.93/464,870.57
  6. Step 6: Final answer
    x = 360,638.31

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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.