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Finding the Fourth Proportional to 631,866.16, 947,858.64 and 232,514.56

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Solution

The fourth proportional to 631,866.16, 947,858.64 and 232,514.56 is: 348,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,866.16 : 947,858.64 = 232,514.56 : x
  2. Step 2: Convert to fraction form
    631,866.16/947,858.64 = 232,514.56/x
  3. Step 3: Cross multiply
    631,866.16x = 947,858.64 × 232,514.56
  4. Step 4: Simplify right side
    631,866.16x = 220,390,934,621.80
  5. Step 5: Solve for x
    x = 220,390,934,621.80/631,866.16
  6. Step 6: Final answer
    x = 348,793.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.