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Finding the Fourth Proportional to 242,790,719.40, 364,186,079.10 and 242,790,719.40

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Solution

The fourth proportional to 242,790,719.40, 364,186,079.10 and 242,790,719.40 is: 364,186,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,790,719.40 : 364,186,079.10 = 242,790,719.40 : x
  2. Step 2: Convert to fraction form
    242,790,719.40/364,186,079.10 = 242,790,719.40/x
  3. Step 3: Cross multiply
    242,790,719.40x = 364,186,079.10 × 242,790,719.40
  4. Step 4: Simplify right side
    242,790,719.40x = 88,421,000,140,154,320
  5. Step 5: Solve for x
    x = 88,421,000,140,154,320/242,790,719.40
  6. Step 6: Final answer
    x = 364,186,079.10

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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.