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Finding the Fourth Proportional to 439,222.50, 606,127.06 and 238,018.50

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Solution

The fourth proportional to 439,222.50, 606,127.06 and 238,018.50 is: 328,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,222.50 : 606,127.06 = 238,018.50 : x
  2. Step 2: Convert to fraction form
    439,222.50/606,127.06 = 238,018.50/x
  3. Step 3: Cross multiply
    439,222.50x = 606,127.06 × 238,018.50
  4. Step 4: Simplify right side
    439,222.50x = 144,269,453,630.61
  5. Step 5: Solve for x
    x = 144,269,453,630.61/439,222.50
  6. Step 6: Final answer
    x = 328,465.54

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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.