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Finding the Fourth Proportional to 563,210.56, 777,252 and 321,532.48

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Solution

The fourth proportional to 563,210.56, 777,252 and 321,532.48 is: 443,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,210.56 : 777,252 = 321,532.48 : x
  2. Step 2: Convert to fraction form
    563,210.56/777,252 = 321,532.48/x
  3. Step 3: Cross multiply
    563,210.56x = 777,252 × 321,532.48
  4. Step 4: Simplify right side
    563,210.56x = 249,911,763,144.96
  5. Step 5: Solve for x
    x = 249,911,763,144.96/563,210.56
  6. Step 6: Final answer
    x = 443,727.06

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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.