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Finding the Fourth Proportional to 533,164.20, 735,816.90 and 291,482.47

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Solution

The fourth proportional to 533,164.20, 735,816.90 and 291,482.47 is: 402,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,164.20 : 735,816.90 = 291,482.47 : x
  2. Step 2: Convert to fraction form
    533,164.20/735,816.90 = 291,482.47/x
  3. Step 3: Cross multiply
    533,164.20x = 735,816.90 × 291,482.47
  4. Step 4: Simplify right side
    533,164.20x = 214,477,727,479.74
  5. Step 5: Solve for x
    x = 214,477,727,479.74/533,164.20
  6. Step 6: Final answer
    x = 402,273.31

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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.