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Finding the Fourth Proportional to 614,658, 848,165.76 and 342,700.08

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Solution

The fourth proportional to 614,658, 848,165.76 and 342,700.08 is: 472,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,658 : 848,165.76 = 342,700.08 : x
  2. Step 2: Convert to fraction form
    614,658/848,165.76 = 342,700.08/x
  3. Step 3: Cross multiply
    614,658x = 848,165.76 × 342,700.08
  4. Step 4: Simplify right side
    614,658x = 290,666,473,805.26
  5. Step 5: Solve for x
    x = 290,666,473,805.26/614,658
  6. Step 6: Final answer
    x = 472,891.39

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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.