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Finding the Fourth Proportional to 607,948.28, 838,969.44 and 349,820.09

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Solution

The fourth proportional to 607,948.28, 838,969.44 and 349,820.09 is: 482,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,948.28 : 838,969.44 = 349,820.09 : x
  2. Step 2: Convert to fraction form
    607,948.28/838,969.44 = 349,820.09/x
  3. Step 3: Cross multiply
    607,948.28x = 838,969.44 × 349,820.09
  4. Step 4: Simplify right side
    607,948.28x = 293,488,362,647.51
  5. Step 5: Solve for x
    x = 293,488,362,647.51/607,948.28
  6. Step 6: Final answer
    x = 482,752.19

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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.