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Finding the Fourth Proportional to 299,592,308.40, 448,716,616.20 and 299,592,308.40

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Solution

The fourth proportional to 299,592,308.40, 448,716,616.20 and 299,592,308.40 is: 448,716,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,592,308.40 : 448,716,616.20 = 299,592,308.40 : x
  2. Step 2: Convert to fraction form
    299,592,308.40/448,716,616.20 = 299,592,308.40/x
  3. Step 3: Cross multiply
    299,592,308.40x = 448,716,616.20 × 299,592,308.40
  4. Step 4: Simplify right side
    299,592,308.40x = 134,432,046,864,794,816
  5. Step 5: Solve for x
    x = 134,432,046,864,794,816/299,592,308.40
  6. Step 6: Final answer
    x = 448,716,616.20

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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.