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Finding the Fourth Proportional to 439,030.84, 605,861.28 and 248,044.12

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Solution

The fourth proportional to 439,030.84, 605,861.28 and 248,044.12 is: 342,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,030.84 : 605,861.28 = 248,044.12 : x
  2. Step 2: Convert to fraction form
    439,030.84/605,861.28 = 248,044.12/x
  3. Step 3: Cross multiply
    439,030.84x = 605,861.28 × 248,044.12
  4. Step 4: Simplify right side
    439,030.84x = 150,280,328,039.67
  5. Step 5: Solve for x
    x = 150,280,328,039.67/439,030.84
  6. Step 6: Final answer
    x = 342,300.16

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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.