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Finding the Fourth Proportional to 299,559,636.40, 448,667,608.20 and 299,559,636.40

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Solution

The fourth proportional to 299,559,636.40, 448,667,608.20 and 299,559,636.40 is: 448,667,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,636.40 : 448,667,608.20 = 299,559,636.40 : x
  2. Step 2: Convert to fraction form
    299,559,636.40/448,667,608.20 = 299,559,636.40/x
  3. Step 3: Cross multiply
    299,559,636.40x = 448,667,608.20 × 299,559,636.40
  4. Step 4: Simplify right side
    299,559,636.40x = 134,402,705,576,849,648
  5. Step 5: Solve for x
    x = 134,402,705,576,849,648/299,559,636.40
  6. Step 6: Final answer
    x = 448,667,608.20

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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.