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Finding the Fourth Proportional to 614,775.30, 848,394.72 and 342,860.46

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Solution

The fourth proportional to 614,775.30, 848,394.72 and 342,860.46 is: 473,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,775.30 : 848,394.72 = 342,860.46 : x
  2. Step 2: Convert to fraction form
    614,775.30/848,394.72 = 342,860.46/x
  3. Step 3: Cross multiply
    614,775.30x = 848,394.72 × 342,860.46
  4. Step 4: Simplify right side
    614,775.30x = 290,881,003,960.77
  5. Step 5: Solve for x
    x = 290,881,003,960.77/614,775.30
  6. Step 6: Final answer
    x = 473,150.12

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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.