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Finding the Fourth Proportional to 606,075.40, 909,113.10 and 269,115.40

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Solution

The fourth proportional to 606,075.40, 909,113.10 and 269,115.40 is: 403,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,075.40 : 909,113.10 = 269,115.40 : x
  2. Step 2: Convert to fraction form
    606,075.40/909,113.10 = 269,115.40/x
  3. Step 3: Cross multiply
    606,075.40x = 909,113.10 × 269,115.40
  4. Step 4: Simplify right side
    606,075.40x = 244,656,335,551.74
  5. Step 5: Solve for x
    x = 244,656,335,551.74/606,075.40
  6. Step 6: Final answer
    x = 403,673.10

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Double scale
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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.