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Finding the Fourth Proportional to 523,585.60, 722,505.54 and 294,130.42

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Solution

The fourth proportional to 523,585.60, 722,505.54 and 294,130.42 is: 405,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,585.60 : 722,505.54 = 294,130.42 : x
  2. Step 2: Convert to fraction form
    523,585.60/722,505.54 = 294,130.42/x
  3. Step 3: Cross multiply
    523,585.60x = 722,505.54 × 294,130.42
  4. Step 4: Simplify right side
    523,585.60x = 212,510,857,932.53
  5. Step 5: Solve for x
    x = 212,510,857,932.53/523,585.60
  6. Step 6: Final answer
    x = 405,876.06

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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.