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Finding the Fourth Proportional to 629,914.60, 944,871.90 and 574,802.20

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Solution

The fourth proportional to 629,914.60, 944,871.90 and 574,802.20 is: 862,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,914.60 : 944,871.90 = 574,802.20 : x
  2. Step 2: Convert to fraction form
    629,914.60/944,871.90 = 574,802.20/x
  3. Step 3: Cross multiply
    629,914.60x = 944,871.90 × 574,802.20
  4. Step 4: Simplify right side
    629,914.60x = 543,114,446,838.18
  5. Step 5: Solve for x
    x = 543,114,446,838.18/629,914.60
  6. Step 6: Final answer
    x = 862,203.30

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1.5x scale

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.