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Finding the Fourth Proportional to 591,908.16, 888,085.80 and 355,415.16

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Solution

The fourth proportional to 591,908.16, 888,085.80 and 355,415.16 is: 533,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,908.16 : 888,085.80 = 355,415.16 : x
  2. Step 2: Convert to fraction form
    591,908.16/888,085.80 = 355,415.16/x
  3. Step 3: Cross multiply
    591,908.16x = 888,085.80 × 355,415.16
  4. Step 4: Simplify right side
    591,908.16x = 315,639,156,700.73
  5. Step 5: Solve for x
    x = 315,639,156,700.73/591,908.16
  6. Step 6: Final answer
    x = 533,256.98

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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.