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Finding the Fourth Proportional to 358,448,412.90, 537,672,619.35 and 358,448,412.90

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Solution

The fourth proportional to 358,448,412.90, 537,672,619.35 and 358,448,412.90 is: 537,672,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,448,412.90 : 537,672,619.35 = 358,448,412.90 : x
  2. Step 2: Convert to fraction form
    358,448,412.90/537,672,619.35 = 358,448,412.90/x
  3. Step 3: Cross multiply
    358,448,412.90x = 537,672,619.35 × 358,448,412.90
  4. Step 4: Simplify right side
    358,448,412.90x = 192,727,897,065,793,312
  5. Step 5: Solve for x
    x = 192,727,897,065,793,312/358,448,412.90
  6. Step 6: Final answer
    x = 537,672,619.35

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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.