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Finding the Fourth Proportional to 440,328.40, 607,839.24 and 297,282.22

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Solution

The fourth proportional to 440,328.40, 607,839.24 and 297,282.22 is: 410,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,328.40 : 607,839.24 = 297,282.22 : x
  2. Step 2: Convert to fraction form
    440,328.40/607,839.24 = 297,282.22/x
  3. Step 3: Cross multiply
    440,328.40x = 607,839.24 × 297,282.22
  4. Step 4: Simplify right side
    440,328.40x = 180,699,798,670.31
  5. Step 5: Solve for x
    x = 180,699,798,670.31/440,328.40
  6. Step 6: Final answer
    x = 410,375.07

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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.