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Finding the Fourth Proportional to 507,504.15, 700,347.96 and 278,059.59

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Solution

The fourth proportional to 507,504.15, 700,347.96 and 278,059.59 is: 383,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,504.15 : 700,347.96 = 278,059.59 : x
  2. Step 2: Convert to fraction form
    507,504.15/700,347.96 = 278,059.59/x
  3. Step 3: Cross multiply
    507,504.15x = 700,347.96 × 278,059.59
  4. Step 4: Simplify right side
    507,504.15x = 194,738,466,614.94
  5. Step 5: Solve for x
    x = 194,738,466,614.94/507,504.15
  6. Step 6: Final answer
    x = 383,717.98

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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.