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Finding the Fourth Proportional to 533,363.61, 736,049.66 and 361,334.19

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Solution

The fourth proportional to 533,363.61, 736,049.66 and 361,334.19 is: 498,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,363.61 : 736,049.66 = 361,334.19 : x
  2. Step 2: Convert to fraction form
    533,363.61/736,049.66 = 361,334.19/x
  3. Step 3: Cross multiply
    533,363.61x = 736,049.66 × 361,334.19
  4. Step 4: Simplify right side
    533,363.61x = 265,959,905,889.20
  5. Step 5: Solve for x
    x = 265,959,905,889.20/533,363.61
  6. Step 6: Final answer
    x = 498,646.52

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Double scale
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1.5x scale

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.