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Finding the Fourth Proportional to 517,480.00, 714,122.43 and 288,032.35

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Solution

The fourth proportional to 517,480.00, 714,122.43 and 288,032.35 is: 397,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,480.00 : 714,122.43 = 288,032.35 : x
  2. Step 2: Convert to fraction form
    517,480.00/714,122.43 = 288,032.35/x
  3. Step 3: Cross multiply
    517,480.00x = 714,122.43 × 288,032.35
  4. Step 4: Simplify right side
    517,480.00x = 205,690,358,130.00
  5. Step 5: Solve for x
    x = 205,690,358,130.00/517,480.00
  6. Step 6: Final answer
    x = 397,484.66

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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.