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Finding the Fourth Proportional to 346,876.82, 520,307.10 and 159,888.32

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Solution

The fourth proportional to 346,876.82, 520,307.10 and 159,888.32 is: 239,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,876.82 : 520,307.10 = 159,888.32 : x
  2. Step 2: Convert to fraction form
    346,876.82/520,307.10 = 159,888.32/x
  3. Step 3: Cross multiply
    346,876.82x = 520,307.10 × 159,888.32
  4. Step 4: Simplify right side
    346,876.82x = 83,191,028,103.07
  5. Step 5: Solve for x
    x = 83,191,028,103.07/346,876.82
  6. Step 6: Final answer
    x = 239,828.73

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1.5x scale

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.