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Finding the Fourth Proportional to 406,588.55, 560,908.19 and 245,392.07

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Solution

The fourth proportional to 406,588.55, 560,908.19 and 245,392.07 is: 338,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,588.55 : 560,908.19 = 245,392.07 : x
  2. Step 2: Convert to fraction form
    406,588.55/560,908.19 = 245,392.07/x
  3. Step 3: Cross multiply
    406,588.55x = 560,908.19 × 245,392.07
  4. Step 4: Simplify right side
    406,588.55x = 137,642,419,632.99
  5. Step 5: Solve for x
    x = 137,642,419,632.99/406,588.55
  6. Step 6: Final answer
    x = 338,530.00

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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.