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Finding the Fourth Proportional to 592,647.54, 817,853.58 and 320,715.41

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Solution

The fourth proportional to 592,647.54, 817,853.58 and 320,715.41 is: 442,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,647.54 : 817,853.58 = 320,715.41 : x
  2. Step 2: Convert to fraction form
    592,647.54/817,853.58 = 320,715.41/x
  3. Step 3: Cross multiply
    592,647.54x = 817,853.58 × 320,715.41
  4. Step 4: Simplify right side
    592,647.54x = 262,298,242,140.40
  5. Step 5: Solve for x
    x = 262,298,242,140.40/592,647.54
  6. Step 6: Final answer
    x = 442,587.24

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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.