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Finding the Fourth Proportional to 606,549.71, 836,888.12 and 399,795.19

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Solution

The fourth proportional to 606,549.71, 836,888.12 and 399,795.19 is: 551,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,549.71 : 836,888.12 = 399,795.19 : x
  2. Step 2: Convert to fraction form
    606,549.71/836,888.12 = 399,795.19/x
  3. Step 3: Cross multiply
    606,549.71x = 836,888.12 × 399,795.19
  4. Step 4: Simplify right side
    606,549.71x = 334,583,844,944.14
  5. Step 5: Solve for x
    x = 334,583,844,944.14/606,549.71
  6. Step 6: Final answer
    x = 551,618.18

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Double scale
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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.