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Finding the Fourth Proportional to 523,646.76, 722,627.58 and 291,067.60

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Solution

The fourth proportional to 523,646.76, 722,627.58 and 291,067.60 is: 401,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,646.76 : 722,627.58 = 291,067.60 : x
  2. Step 2: Convert to fraction form
    523,646.76/722,627.58 = 291,067.60/x
  3. Step 3: Cross multiply
    523,646.76x = 722,627.58 × 291,067.60
  4. Step 4: Simplify right side
    523,646.76x = 210,333,474,501.12
  5. Step 5: Solve for x
    x = 210,333,474,501.12/523,646.76
  6. Step 6: Final answer
    x = 401,670.54

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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.