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Finding the Fourth Proportional to 537,320.90, 741,608.84 and 308,032.16

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Solution

The fourth proportional to 537,320.90, 741,608.84 and 308,032.16 is: 425,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,320.90 : 741,608.84 = 308,032.16 : x
  2. Step 2: Convert to fraction form
    537,320.90/741,608.84 = 308,032.16/x
  3. Step 3: Cross multiply
    537,320.90x = 741,608.84 × 308,032.16
  4. Step 4: Simplify right side
    537,320.90x = 228,439,367,612.09
  5. Step 5: Solve for x
    x = 228,439,367,612.09/537,320.90
  6. Step 6: Final answer
    x = 425,145.14

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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.