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Finding the Fourth Proportional to 346,726.71, 520,052.80 and 235,123.29

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Solution

The fourth proportional to 346,726.71, 520,052.80 and 235,123.29 is: 352,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,726.71 : 520,052.80 = 235,123.29 : x
  2. Step 2: Convert to fraction form
    346,726.71/520,052.80 = 235,123.29/x
  3. Step 3: Cross multiply
    346,726.71x = 520,052.80 × 235,123.29
  4. Step 4: Simplify right side
    346,726.71x = 122,276,525,309.71
  5. Step 5: Solve for x
    x = 122,276,525,309.71/346,726.71
  6. Step 6: Final answer
    x = 352,659.66

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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.