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Finding the Fourth Proportional to 532,973.79, 735,472.51 and 291,258.18

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Solution

The fourth proportional to 532,973.79, 735,472.51 and 291,258.18 is: 401,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,973.79 : 735,472.51 = 291,258.18 : x
  2. Step 2: Convert to fraction form
    532,973.79/735,472.51 = 291,258.18/x
  3. Step 3: Cross multiply
    532,973.79x = 735,472.51 × 291,258.18
  4. Step 4: Simplify right side
    532,973.79x = 214,212,383,974.49
  5. Step 5: Solve for x
    x = 214,212,383,974.49/532,973.79
  6. Step 6: Final answer
    x = 401,919.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.