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Finding the Fourth Proportional to 299,296.40, 448,944.60 and 141,832.40

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Solution

The fourth proportional to 299,296.40, 448,944.60 and 141,832.40 is: 212,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,296.40 : 448,944.60 = 141,832.40 : x
  2. Step 2: Convert to fraction form
    299,296.40/448,944.60 = 141,832.40/x
  3. Step 3: Cross multiply
    299,296.40x = 448,944.60 × 141,832.40
  4. Step 4: Simplify right side
    299,296.40x = 63,674,890,085.04
  5. Step 5: Solve for x
    x = 63,674,890,085.04/299,296.40
  6. Step 6: Final answer
    x = 212,748.60

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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.