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Finding the Fourth Proportional to 346,376.72, 519,730.20 and 239,924.72

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Solution

The fourth proportional to 346,376.72, 519,730.20 and 239,924.72 is: 360,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,376.72 : 519,730.20 = 239,924.72 : x
  2. Step 2: Convert to fraction form
    346,376.72/519,730.20 = 239,924.72/x
  3. Step 3: Cross multiply
    346,376.72x = 519,730.20 × 239,924.72
  4. Step 4: Simplify right side
    346,376.72x = 124,696,122,710.54
  5. Step 5: Solve for x
    x = 124,696,122,710.54/346,376.72
  6. Step 6: Final answer
    x = 360,001.45

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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.