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Finding the Fourth Proportional to 406,041.86, 560,208.95 and 236,243.18

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Solution

The fourth proportional to 406,041.86, 560,208.95 and 236,243.18 is: 325,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,041.86 : 560,208.95 = 236,243.18 : x
  2. Step 2: Convert to fraction form
    406,041.86/560,208.95 = 236,243.18/x
  3. Step 3: Cross multiply
    406,041.86x = 560,208.95 × 236,243.18
  4. Step 4: Simplify right side
    406,041.86x = 132,345,543,812.46
  5. Step 5: Solve for x
    x = 132,345,543,812.46/406,041.86
  6. Step 6: Final answer
    x = 325,940.64

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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.