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Finding the Fourth Proportional to 533,604.60, 736,346.88 and 291,840.12

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Solution

The fourth proportional to 533,604.60, 736,346.88 and 291,840.12 is: 402,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,604.60 : 736,346.88 = 291,840.12 : x
  2. Step 2: Convert to fraction form
    533,604.60/736,346.88 = 291,840.12/x
  3. Step 3: Cross multiply
    533,604.60x = 736,346.88 × 291,840.12
  4. Step 4: Simplify right side
    533,604.60x = 214,895,561,820.83
  5. Step 5: Solve for x
    x = 214,895,561,820.83/533,604.60
  6. Step 6: Final answer
    x = 402,724.34

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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.