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Finding the Fourth Proportional to 358,458,245.40, 537,687,368.10 and 358,458,245.40

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Solution

The fourth proportional to 358,458,245.40, 537,687,368.10 and 358,458,245.40 is: 537,687,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,458,245.40 : 537,687,368.10 = 358,458,245.40 : x
  2. Step 2: Convert to fraction form
    358,458,245.40/537,687,368.10 = 358,458,245.40/x
  3. Step 3: Cross multiply
    358,458,245.40x = 537,687,368.10 × 358,458,245.40
  4. Step 4: Simplify right side
    358,458,245.40x = 192,738,470,542,869,920
  5. Step 5: Solve for x
    x = 192,738,470,542,869,920/358,458,245.40
  6. Step 6: Final answer
    x = 537,687,368.10

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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.