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Finding the Fourth Proportional to 585,568.32, 808,140.96 and 359,361.60

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Solution

The fourth proportional to 585,568.32, 808,140.96 and 359,361.60 is: 495,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,568.32 : 808,140.96 = 359,361.60 : x
  2. Step 2: Convert to fraction form
    585,568.32/808,140.96 = 359,361.60/x
  3. Step 3: Cross multiply
    585,568.32x = 808,140.96 × 359,361.60
  4. Step 4: Simplify right side
    585,568.32x = 290,414,828,411.14
  5. Step 5: Solve for x
    x = 290,414,828,411.14/585,568.32
  6. Step 6: Final answer
    x = 495,953.79

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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.