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Finding the Fourth Proportional to 614,717.52, 848,370.66 and 372,981.12

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Solution

The fourth proportional to 614,717.52, 848,370.66 and 372,981.12 is: 514,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,717.52 : 848,370.66 = 372,981.12 : x
  2. Step 2: Convert to fraction form
    614,717.52/848,370.66 = 372,981.12/x
  3. Step 3: Cross multiply
    614,717.52x = 848,370.66 × 372,981.12
  4. Step 4: Simplify right side
    614,717.52x = 316,426,238,941.94
  5. Step 5: Solve for x
    x = 316,426,238,941.94/614,717.52
  6. Step 6: Final answer
    x = 514,750.64

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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.