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Finding the Fourth Proportional to 614,655.52, 848,233.68 and 342,715.36

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Solution

The fourth proportional to 614,655.52, 848,233.68 and 342,715.36 is: 472,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,655.52 : 848,233.68 = 342,715.36 : x
  2. Step 2: Convert to fraction form
    614,655.52/848,233.68 = 342,715.36/x
  3. Step 3: Cross multiply
    614,655.52x = 848,233.68 × 342,715.36
  4. Step 4: Simplify right side
    614,655.52x = 290,702,711,005.33
  5. Step 5: Solve for x
    x = 290,702,711,005.33/614,655.52
  6. Step 6: Final answer
    x = 472,952.25

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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.