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Finding the Fourth Proportional to 340,521.79, 510,782.69 and 160,565.34

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Solution

The fourth proportional to 340,521.79, 510,782.69 and 160,565.34 is: 240,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,521.79 : 510,782.69 = 160,565.34 : x
  2. Step 2: Convert to fraction form
    340,521.79/510,782.69 = 160,565.34/x
  3. Step 3: Cross multiply
    340,521.79x = 510,782.69 × 160,565.34
  4. Step 4: Simplify right side
    340,521.79x = 82,013,996,285.96
  5. Step 5: Solve for x
    x = 82,013,996,285.96/340,521.79
  6. Step 6: Final answer
    x = 240,848.01

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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.