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Finding the Fourth Proportional to 533,195.58, 735,386.39 and 402,808.01

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Solution

The fourth proportional to 533,195.58, 735,386.39 and 402,808.01 is: 555,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,195.58 : 735,386.39 = 402,808.01 : x
  2. Step 2: Convert to fraction form
    533,195.58/735,386.39 = 402,808.01/x
  3. Step 3: Cross multiply
    533,195.58x = 735,386.39 × 402,808.01
  4. Step 4: Simplify right side
    533,195.58x = 296,219,522,646.01
  5. Step 5: Solve for x
    x = 296,219,522,646.01/533,195.58
  6. Step 6: Final answer
    x = 555,555.10

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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.