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Finding the Fourth Proportional to 356,980,328.10, 534,462,722.55 and 356,980,328.10

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Solution

The fourth proportional to 356,980,328.10, 534,462,722.55 and 356,980,328.10 is: 534,462,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,980,328.10 : 534,462,722.55 = 356,980,328.10 : x
  2. Step 2: Convert to fraction form
    356,980,328.10/534,462,722.55 = 356,980,328.10/x
  3. Step 3: Cross multiply
    356,980,328.10x = 534,462,722.55 × 356,980,328.10
  4. Step 4: Simplify right side
    356,980,328.10x = 190,792,678,053,118,272
  5. Step 5: Solve for x
    x = 190,792,678,053,118,272/356,980,328.10
  6. Step 6: Final answer
    x = 534,462,722.55

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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.