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Finding the Fourth Proportional to 631,157.46, 946,744.56 and 210,433.47

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Solution

The fourth proportional to 631,157.46, 946,744.56 and 210,433.47 is: 315,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,157.46 : 946,744.56 = 210,433.47 : x
  2. Step 2: Convert to fraction form
    631,157.46/946,744.56 = 210,433.47/x
  3. Step 3: Cross multiply
    631,157.46x = 946,744.56 × 210,433.47
  4. Step 4: Simplify right side
    631,157.46x = 199,226,742,964.42
  5. Step 5: Solve for x
    x = 199,226,742,964.42/631,157.46
  6. Step 6: Final answer
    x = 315,653.00

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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.