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Finding the Fourth Proportional to 622,011.80, 933,017.70 and 266,965.40

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Solution

The fourth proportional to 622,011.80, 933,017.70 and 266,965.40 is: 400,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,011.80 : 933,017.70 = 266,965.40 : x
  2. Step 2: Convert to fraction form
    622,011.80/933,017.70 = 266,965.40/x
  3. Step 3: Cross multiply
    622,011.80x = 933,017.70 × 266,965.40
  4. Step 4: Simplify right side
    622,011.80x = 249,083,443,487.58
  5. Step 5: Solve for x
    x = 249,083,443,487.58/622,011.80
  6. Step 6: Final answer
    x = 400,448.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.