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Finding the Fourth Proportional to 354,010.48, 488,533 and 192,865.03

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Solution

The fourth proportional to 354,010.48, 488,533 and 192,865.03 is: 266,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,010.48 : 488,533 = 192,865.03 : x
  2. Step 2: Convert to fraction form
    354,010.48/488,533 = 192,865.03/x
  3. Step 3: Cross multiply
    354,010.48x = 488,533 × 192,865.03
  4. Step 4: Simplify right side
    354,010.48x = 94,220,931,700.99
  5. Step 5: Solve for x
    x = 94,220,931,700.99/354,010.48
  6. Step 6: Final answer
    x = 266,152.94

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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.