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Finding the Fourth Proportional to 610,075.28, 841,954.26 and 338,228.44

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Solution

The fourth proportional to 610,075.28, 841,954.26 and 338,228.44 is: 466,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,075.28 : 841,954.26 = 338,228.44 : x
  2. Step 2: Convert to fraction form
    610,075.28/841,954.26 = 338,228.44/x
  3. Step 3: Cross multiply
    610,075.28x = 841,954.26 × 338,228.44
  4. Step 4: Simplify right side
    610,075.28x = 284,772,875,911.15
  5. Step 5: Solve for x
    x = 284,772,875,911.15/610,075.28
  6. Step 6: Final answer
    x = 466,783.18

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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.