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Finding the Fourth Proportional to 614,776.68, 848,396.76 and 342,862.11

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Solution

The fourth proportional to 614,776.68, 848,396.76 and 342,862.11 is: 473,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,776.68 : 848,396.76 = 342,862.11 : x
  2. Step 2: Convert to fraction form
    614,776.68/848,396.76 = 342,862.11/x
  3. Step 3: Cross multiply
    614,776.68x = 848,396.76 × 342,862.11
  4. Step 4: Simplify right side
    614,776.68x = 290,883,103,250.76
  5. Step 5: Solve for x
    x = 290,883,103,250.76/614,776.68
  6. Step 6: Final answer
    x = 473,152.47

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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.