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Finding the Fourth Proportional to 400,036.40, 600,054.60 and 242,572.40

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Solution

The fourth proportional to 400,036.40, 600,054.60 and 242,572.40 is: 363,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,036.40 : 600,054.60 = 242,572.40 : x
  2. Step 2: Convert to fraction form
    400,036.40/600,054.60 = 242,572.40/x
  3. Step 3: Cross multiply
    400,036.40x = 600,054.60 × 242,572.40
  4. Step 4: Simplify right side
    400,036.40x = 145,556,684,453.04
  5. Step 5: Solve for x
    x = 145,556,684,453.04/400,036.40
  6. Step 6: Final answer
    x = 363,858.60

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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.