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Finding the Fourth Proportional to 329,187,063.60, 493,556,646.60 and 156,746,487.60

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Solution

The fourth proportional to 329,187,063.60, 493,556,646.60 and 156,746,487.60 is: 235,013,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,187,063.60 : 493,556,646.60 = 156,746,487.60 : x
  2. Step 2: Convert to fraction form
    329,187,063.60/493,556,646.60 = 156,746,487.60/x
  3. Step 3: Cross multiply
    329,187,063.60x = 493,556,646.60 × 156,746,487.60
  4. Step 4: Simplify right side
    329,187,063.60x = 77,363,270,786,184,480
  5. Step 5: Solve for x
    x = 77,363,270,786,184,480/329,187,063.60
  6. Step 6: Final answer
    x = 235,013,095.41

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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.