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Finding the Fourth Proportional to 614,776.70, 848,390.19 and 342,844.90

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Solution

The fourth proportional to 614,776.70, 848,390.19 and 342,844.90 is: 473,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,776.70 : 848,390.19 = 342,844.90 : x
  2. Step 2: Convert to fraction form
    614,776.70/848,390.19 = 342,844.90/x
  3. Step 3: Cross multiply
    614,776.70x = 848,390.19 × 342,844.90
  4. Step 4: Simplify right side
    614,776.70x = 290,866,249,851.53
  5. Step 5: Solve for x
    x = 290,866,249,851.53/614,776.70
  6. Step 6: Final answer
    x = 473,125.04

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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.