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Finding the Fourth Proportional to 637,133.42, 955,866.72 and 237,777.78

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Solution

The fourth proportional to 637,133.42, 955,866.72 and 237,777.78 is: 356,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,133.42 : 955,866.72 = 237,777.78 : x
  2. Step 2: Convert to fraction form
    637,133.42/955,866.72 = 237,777.78/x
  3. Step 3: Cross multiply
    637,133.42x = 955,866.72 × 237,777.78
  4. Step 4: Simplify right side
    637,133.42x = 227,283,866,657.48
  5. Step 5: Solve for x
    x = 227,283,866,657.48/637,133.42
  6. Step 6: Final answer
    x = 356,728.84

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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.