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Finding the Fourth Proportional to 533,551.50, 736,686.63 and 329,881.68

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Solution

The fourth proportional to 533,551.50, 736,686.63 and 329,881.68 is: 455,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,551.50 : 736,686.63 = 329,881.68 : x
  2. Step 2: Convert to fraction form
    533,551.50/736,686.63 = 329,881.68/x
  3. Step 3: Cross multiply
    533,551.50x = 736,686.63 × 329,881.68
  4. Step 4: Simplify right side
    533,551.50x = 243,019,423,137.94
  5. Step 5: Solve for x
    x = 243,019,423,137.94/533,551.50
  6. Step 6: Final answer
    x = 455,475.10

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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.