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Finding the Fourth Proportional to 563,005.03, 777,002.83 and 321,324.22

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Solution

The fourth proportional to 563,005.03, 777,002.83 and 321,324.22 is: 443,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,005.03 : 777,002.83 = 321,324.22 : x
  2. Step 2: Convert to fraction form
    563,005.03/777,002.83 = 321,324.22/x
  3. Step 3: Cross multiply
    563,005.03x = 777,002.83 × 321,324.22
  4. Step 4: Simplify right side
    563,005.03x = 249,669,824,084.85
  5. Step 5: Solve for x
    x = 249,669,824,084.85/563,005.03
  6. Step 6: Final answer
    x = 443,459.31

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1.5x scale

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.