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Finding the Fourth Proportional to 583,893.08, 805,620.48 and 342,045.90

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Solution

The fourth proportional to 583,893.08, 805,620.48 and 342,045.90 is: 471,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,893.08 : 805,620.48 = 342,045.90 : x
  2. Step 2: Convert to fraction form
    583,893.08/805,620.48 = 342,045.90/x
  3. Step 3: Cross multiply
    583,893.08x = 805,620.48 × 342,045.90
  4. Step 4: Simplify right side
    583,893.08x = 275,559,182,140.03
  5. Step 5: Solve for x
    x = 275,559,182,140.03/583,893.08
  6. Step 6: Final answer
    x = 471,934.32

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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.