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Finding the Fourth Proportional to 406,008.86, 607,799.90 and 245,599.39

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Solution

The fourth proportional to 406,008.86, 607,799.90 and 245,599.39 is: 367,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,008.86 : 607,799.90 = 245,599.39 : x
  2. Step 2: Convert to fraction form
    406,008.86/607,799.90 = 245,599.39/x
  3. Step 3: Cross multiply
    406,008.86x = 607,799.90 × 245,599.39
  4. Step 4: Simplify right side
    406,008.86x = 149,275,286,055.81
  5. Step 5: Solve for x
    x = 149,275,286,055.81/406,008.86
  6. Step 6: Final answer
    x = 367,665.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.