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Finding the Fourth Proportional to 893,302.92, 1,340,041.86 and 294,019.56

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Solution

The fourth proportional to 893,302.92, 1,340,041.86 and 294,019.56 is: 441,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,302.92 : 1,340,041.86 = 294,019.56 : x
  2. Step 2: Convert to fraction form
    893,302.92/1,340,041.86 = 294,019.56/x
  3. Step 3: Cross multiply
    893,302.92x = 1,340,041.86 × 294,019.56
  4. Step 4: Simplify right side
    893,302.92x = 393,998,518,058.78
  5. Step 5: Solve for x
    x = 393,998,518,058.78/893,302.92
  6. Step 6: Final answer
    x = 441,058.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.