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Finding the Fourth Proportional to 576,408.30, 866,503.71 and 534,790.86

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Solution

The fourth proportional to 576,408.30, 866,503.71 and 534,790.86 is: 803,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,408.30 : 866,503.71 = 534,790.86 : x
  2. Step 2: Convert to fraction form
    576,408.30/866,503.71 = 534,790.86/x
  3. Step 3: Cross multiply
    576,408.30x = 866,503.71 × 534,790.86
  4. Step 4: Simplify right side
    576,408.30x = 463,398,264,264.09
  5. Step 5: Solve for x
    x = 463,398,264,264.09/576,408.30
  6. Step 6: Final answer
    x = 803,941.00

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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.