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Finding the Fourth Proportional to 893,703.48, 1,339,800.04 and 387,882

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Solution

The fourth proportional to 893,703.48, 1,339,800.04 and 387,882 is: 581,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,703.48 : 1,339,800.04 = 387,882 : x
  2. Step 2: Convert to fraction form
    893,703.48/1,339,800.04 = 387,882/x
  3. Step 3: Cross multiply
    893,703.48x = 1,339,800.04 × 387,882
  4. Step 4: Simplify right side
    893,703.48x = 519,684,319,115.28
  5. Step 5: Solve for x
    x = 519,684,319,115.28/893,703.48
  6. Step 6: Final answer
    x = 581,495.24

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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.