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Finding the Fourth Proportional to 533,412.46, 736,109.16 and 291,695.20

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Solution

The fourth proportional to 533,412.46, 736,109.16 and 291,695.20 is: 402,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,412.46 : 736,109.16 = 291,695.20 : x
  2. Step 2: Convert to fraction form
    533,412.46/736,109.16 = 291,695.20/x
  3. Step 3: Cross multiply
    533,412.46x = 736,109.16 × 291,695.20
  4. Step 4: Simplify right side
    533,412.46x = 214,719,508,648.03
  5. Step 5: Solve for x
    x = 214,719,508,648.03/533,412.46
  6. Step 6: Final answer
    x = 402,539.36

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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.