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Finding the Fourth Proportional to 583,595.95, 805,424.33 and 342,081.44

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Solution

The fourth proportional to 583,595.95, 805,424.33 and 342,081.44 is: 472,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,595.95 : 805,424.33 = 342,081.44 : x
  2. Step 2: Convert to fraction form
    583,595.95/805,424.33 = 342,081.44/x
  3. Step 3: Cross multiply
    583,595.95x = 805,424.33 × 342,081.44
  4. Step 4: Simplify right side
    583,595.95x = 275,520,714,465.86
  5. Step 5: Solve for x
    x = 275,520,714,465.86/583,595.95
  6. Step 6: Final answer
    x = 472,108.68

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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.