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Finding the Fourth Proportional to 432,879,647.88, 597,357,904.13 and 234,636,886.29

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Solution

The fourth proportional to 432,879,647.88, 597,357,904.13 and 234,636,886.29 is: 323,790,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,879,647.88 : 597,357,904.13 = 234,636,886.29 : x
  2. Step 2: Convert to fraction form
    432,879,647.88/597,357,904.13 = 234,636,886.29/x
  3. Step 3: Cross multiply
    432,879,647.88x = 597,357,904.13 × 234,636,886.29
  4. Step 4: Simplify right side
    432,879,647.88x = 140,162,198,621,623,552
  5. Step 5: Solve for x
    x = 140,162,198,621,623,552/432,879,647.88
  6. Step 6: Final answer
    x = 323,790,225.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.