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Finding the Fourth Proportional to 584,073.72, 805,941.90 and 357,671.16

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Solution

The fourth proportional to 584,073.72, 805,941.90 and 357,671.16 is: 493,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,073.72 : 805,941.90 = 357,671.16 : x
  2. Step 2: Convert to fraction form
    584,073.72/805,941.90 = 357,671.16/x
  3. Step 3: Cross multiply
    584,073.72x = 805,941.90 × 357,671.16
  4. Step 4: Simplify right side
    584,073.72x = 288,262,174,265.60
  5. Step 5: Solve for x
    x = 288,262,174,265.60/584,073.72
  6. Step 6: Final answer
    x = 493,537.31

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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.