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Finding the Fourth Proportional to 475,993,829.60, 713,990,744.40 and 330,875,007.20

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Solution

The fourth proportional to 475,993,829.60, 713,990,744.40 and 330,875,007.20 is: 496,312,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,993,829.60 : 713,990,744.40 = 330,875,007.20 : x
  2. Step 2: Convert to fraction form
    475,993,829.60/713,990,744.40 = 330,875,007.20/x
  3. Step 3: Cross multiply
    475,993,829.60x = 713,990,744.40 × 330,875,007.20
  4. Step 4: Simplify right side
    475,993,829.60x = 236,241,692,694,083,328
  5. Step 5: Solve for x
    x = 236,241,692,694,083,328/475,993,829.60
  6. Step 6: Final answer
    x = 496,312,510.80

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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.