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Finding the Fourth Proportional to 648,887.98, 895,335.36 and 362,363.98

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Solution

The fourth proportional to 648,887.98, 895,335.36 and 362,363.98 is: 499,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,887.98 : 895,335.36 = 362,363.98 : x
  2. Step 2: Convert to fraction form
    648,887.98/895,335.36 = 362,363.98/x
  3. Step 3: Cross multiply
    648,887.98x = 895,335.36 × 362,363.98
  4. Step 4: Simplify right side
    648,887.98x = 324,437,284,484.33
  5. Step 5: Solve for x
    x = 324,437,284,484.33/648,887.98
  6. Step 6: Final answer
    x = 499,989.67

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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.