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Finding the Fourth Proportional to 406,626.67, 560,828.37 and 245,313.55

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Solution

The fourth proportional to 406,626.67, 560,828.37 and 245,313.55 is: 338,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,626.67 : 560,828.37 = 245,313.55 : x
  2. Step 2: Convert to fraction form
    406,626.67/560,828.37 = 245,313.55/x
  3. Step 3: Cross multiply
    406,626.67x = 560,828.37 × 245,313.55
  4. Step 4: Simplify right side
    406,626.67x = 137,578,798,385.41
  5. Step 5: Solve for x
    x = 137,578,798,385.41/406,626.67
  6. Step 6: Final answer
    x = 338,341.80

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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.