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Finding the Fourth Proportional to 586,677.88, 879,875.88 and 270,831.34

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Solution

The fourth proportional to 586,677.88, 879,875.88 and 270,831.34 is: 406,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,677.88 : 879,875.88 = 270,831.34 : x
  2. Step 2: Convert to fraction form
    586,677.88/879,875.88 = 270,831.34/x
  3. Step 3: Cross multiply
    586,677.88x = 879,875.88 × 270,831.34
  4. Step 4: Simplify right side
    586,677.88x = 238,297,963,614.08
  5. Step 5: Solve for x
    x = 238,297,963,614.08/586,677.88
  6. Step 6: Final answer
    x = 406,181.95

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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.