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Finding the Fourth Proportional to 570,553.52, 787,388.46 and 315,904.73

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Solution

The fourth proportional to 570,553.52, 787,388.46 and 315,904.73 is: 435,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,553.52 : 787,388.46 = 315,904.73 : x
  2. Step 2: Convert to fraction form
    570,553.52/787,388.46 = 315,904.73/x
  3. Step 3: Cross multiply
    570,553.52x = 787,388.46 × 315,904.73
  4. Step 4: Simplify right side
    570,553.52x = 248,739,738,861.42
  5. Step 5: Solve for x
    x = 248,739,738,861.42/570,553.52
  6. Step 6: Final answer
    x = 435,962.15

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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.