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Finding the Fourth Proportional to 358,717,906.80, 537,120,266.40 and 358,717,906.80

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Solution

The fourth proportional to 358,717,906.80, 537,120,266.40 and 358,717,906.80 is: 537,120,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,717,906.80 : 537,120,266.40 = 358,717,906.80 : x
  2. Step 2: Convert to fraction form
    358,717,906.80/537,120,266.40 = 358,717,906.80/x
  3. Step 3: Cross multiply
    358,717,906.80x = 537,120,266.40 × 358,717,906.80
  4. Step 4: Simplify right side
    358,717,906.80x = 192,674,657,662,866,368
  5. Step 5: Solve for x
    x = 192,674,657,662,866,368/358,717,906.80
  6. Step 6: Final answer
    x = 537,120,266.40

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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.