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Finding the Fourth Proportional to 217,213,401.10, 325,820,101.65 and 217,213,401.10

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Solution

The fourth proportional to 217,213,401.10, 325,820,101.65 and 217,213,401.10 is: 325,820,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,213,401.10 : 325,820,101.65 = 217,213,401.10 : x
  2. Step 2: Convert to fraction form
    217,213,401.10/325,820,101.65 = 217,213,401.10/x
  3. Step 3: Cross multiply
    217,213,401.10x = 325,820,101.65 × 217,213,401.10
  4. Step 4: Simplify right side
    217,213,401.10x = 70,772,492,426,144,216
  5. Step 5: Solve for x
    x = 70,772,492,426,144,216/217,213,401.10
  6. Step 6: Final answer
    x = 325,820,101.65

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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.