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Finding the Fourth Proportional to 607,328.52, 910,899.12 and 207,877.56

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Solution

The fourth proportional to 607,328.52, 910,899.12 and 207,877.56 is: 311,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,328.52 : 910,899.12 = 207,877.56 : x
  2. Step 2: Convert to fraction form
    607,328.52/910,899.12 = 207,877.56/x
  3. Step 3: Cross multiply
    607,328.52x = 910,899.12 × 207,877.56
  4. Step 4: Simplify right side
    607,328.52x = 189,355,486,471.75
  5. Step 5: Solve for x
    x = 189,355,486,471.75/607,328.52
  6. Step 6: Final answer
    x = 311,784.28

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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.