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Finding the Fourth Proportional to 583,684.03, 805,609.20 and 368,687.35

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Solution

The fourth proportional to 583,684.03, 805,609.20 and 368,687.35 is: 508,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,684.03 : 805,609.20 = 368,687.35 : x
  2. Step 2: Convert to fraction form
    583,684.03/805,609.20 = 368,687.35/x
  3. Step 3: Cross multiply
    583,684.03x = 805,609.20 × 368,687.35
  4. Step 4: Simplify right side
    583,684.03x = 297,017,921,083.62
  5. Step 5: Solve for x
    x = 297,017,921,083.62/583,684.03
  6. Step 6: Final answer
    x = 508,867.65

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1.5x scale

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.