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Finding the Fourth Proportional to 586,261.10, 879,389.22 and 249,249.26

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Solution

The fourth proportional to 586,261.10, 879,389.22 and 249,249.26 is: 373,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,261.10 : 879,389.22 = 249,249.26 : x
  2. Step 2: Convert to fraction form
    586,261.10/879,389.22 = 249,249.26/x
  3. Step 3: Cross multiply
    586,261.10x = 879,389.22 × 249,249.26
  4. Step 4: Simplify right side
    586,261.10x = 219,187,112,336.98
  5. Step 5: Solve for x
    x = 219,187,112,336.98/586,261.10
  6. Step 6: Final answer
    x = 373,872.86

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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.