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Finding the Fourth Proportional to 346,570.56, 519,700.32 and 159,480

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Solution

The fourth proportional to 346,570.56, 519,700.32 and 159,480 is: 239,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,570.56 : 519,700.32 = 159,480 : x
  2. Step 2: Convert to fraction form
    346,570.56/519,700.32 = 159,480/x
  3. Step 3: Cross multiply
    346,570.56x = 519,700.32 × 159,480
  4. Step 4: Simplify right side
    346,570.56x = 82,881,807,033.60
  5. Step 5: Solve for x
    x = 82,881,807,033.60/346,570.56
  6. Step 6: Final answer
    x = 239,148.43

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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.