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Finding the Fourth Proportional to 533,059.47, 735,639.05 and 291,336.85

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Solution

The fourth proportional to 533,059.47, 735,639.05 and 291,336.85 is: 402,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,059.47 : 735,639.05 = 291,336.85 : x
  2. Step 2: Convert to fraction form
    533,059.47/735,639.05 = 291,336.85/x
  3. Step 3: Cross multiply
    533,059.47x = 735,639.05 × 291,336.85
  4. Step 4: Simplify right side
    533,059.47x = 214,318,763,396.42
  5. Step 5: Solve for x
    x = 214,318,763,396.42/533,059.47
  6. Step 6: Final answer
    x = 402,054.14

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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.