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Finding the Fourth Proportional to 520,707.36, 781,371.42 and 232,496.58

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Solution

The fourth proportional to 520,707.36, 781,371.42 and 232,496.58 is: 348,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,707.36 : 781,371.42 = 232,496.58 : x
  2. Step 2: Convert to fraction form
    520,707.36/781,371.42 = 232,496.58/x
  3. Step 3: Cross multiply
    520,707.36x = 781,371.42 × 232,496.58
  4. Step 4: Simplify right side
    520,707.36x = 181,666,182,859.74
  5. Step 5: Solve for x
    x = 181,666,182,859.74/520,707.36
  6. Step 6: Final answer
    x = 348,883.46

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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.