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Finding the Fourth Proportional to 586,414.38, 879,623.73 and 249,406.86

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Solution

The fourth proportional to 586,414.38, 879,623.73 and 249,406.86 is: 374,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,414.38 : 879,623.73 = 249,406.86 : x
  2. Step 2: Convert to fraction form
    586,414.38/879,623.73 = 249,406.86/x
  3. Step 3: Cross multiply
    586,414.38x = 879,623.73 × 249,406.86
  4. Step 4: Simplify right side
    586,414.38x = 219,384,192,480.79
  5. Step 5: Solve for x
    x = 219,384,192,480.79/586,414.38
  6. Step 6: Final answer
    x = 374,111.21

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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.