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Finding the Fourth Proportional to 346,870.08, 520,297.80 and 159,881.58

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Solution

The fourth proportional to 346,870.08, 520,297.80 and 159,881.58 is: 239,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,870.08 : 520,297.80 = 159,881.58 : x
  2. Step 2: Convert to fraction form
    346,870.08/520,297.80 = 159,881.58/x
  3. Step 3: Cross multiply
    346,870.08x = 520,297.80 × 159,881.58
  4. Step 4: Simplify right side
    346,870.08x = 83,186,034,334.52
  5. Step 5: Solve for x
    x = 83,186,034,334.52/346,870.08
  6. Step 6: Final answer
    x = 239,819.00

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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.