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Finding the Fourth Proportional to 293,812.40, 440,718.60 and 210,868.40

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Solution

The fourth proportional to 293,812.40, 440,718.60 and 210,868.40 is: 316,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,812.40 : 440,718.60 = 210,868.40 : x
  2. Step 2: Convert to fraction form
    293,812.40/440,718.60 = 210,868.40/x
  3. Step 3: Cross multiply
    293,812.40x = 440,718.60 × 210,868.40
  4. Step 4: Simplify right side
    293,812.40x = 92,933,626,032.24
  5. Step 5: Solve for x
    x = 92,933,626,032.24/293,812.40
  6. Step 6: Final answer
    x = 316,302.60

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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.