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Finding the Fourth Proportional to 533,300.40, 736,029.72 and 326,692.08

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Solution

The fourth proportional to 533,300.40, 736,029.72 and 326,692.08 is: 450,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,300.40 : 736,029.72 = 326,692.08 : x
  2. Step 2: Convert to fraction form
    533,300.40/736,029.72 = 326,692.08/x
  3. Step 3: Cross multiply
    533,300.40x = 736,029.72 × 326,692.08
  4. Step 4: Simplify right side
    533,300.40x = 240,455,080,168.62
  5. Step 5: Solve for x
    x = 240,455,080,168.62/533,300.40
  6. Step 6: Final answer
    x = 450,881.12

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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.