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Finding the Fourth Proportional to 238,974,530.20, 357,824,066.10 and 238,974,530.20

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Solution

The fourth proportional to 238,974,530.20, 357,824,066.10 and 238,974,530.20 is: 357,824,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,974,530.20 : 357,824,066.10 = 238,974,530.20 : x
  2. Step 2: Convert to fraction form
    238,974,530.20/357,824,066.10 = 238,974,530.20/x
  3. Step 3: Cross multiply
    238,974,530.20x = 357,824,066.10 × 238,974,530.20
  4. Step 4: Simplify right side
    238,974,530.20x = 85,510,838,090,501,248
  5. Step 5: Solve for x
    x = 85,510,838,090,501,248/238,974,530.20
  6. Step 6: Final answer
    x = 357,824,066.10

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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.