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Finding the Fourth Proportional to 533,405.53, 736,100.36 and 291,687.36

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Solution

The fourth proportional to 533,405.53, 736,100.36 and 291,687.36 is: 402,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,405.53 : 736,100.36 = 291,687.36 : x
  2. Step 2: Convert to fraction form
    533,405.53/736,100.36 = 291,687.36/x
  3. Step 3: Cross multiply
    533,405.53x = 736,100.36 × 291,687.36
  4. Step 4: Simplify right side
    533,405.53x = 214,711,165,564.51
  5. Step 5: Solve for x
    x = 214,711,165,564.51/533,405.53
  6. Step 6: Final answer
    x = 402,528.95

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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.