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Finding the Fourth Proportional to 369,722.30, 554,583.45 and 293,614.70

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Solution

The fourth proportional to 369,722.30, 554,583.45 and 293,614.70 is: 440,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,722.30 : 554,583.45 = 293,614.70 : x
  2. Step 2: Convert to fraction form
    369,722.30/554,583.45 = 293,614.70/x
  3. Step 3: Cross multiply
    369,722.30x = 554,583.45 × 293,614.70
  4. Step 4: Simplify right side
    369,722.30x = 162,833,853,296.72
  5. Step 5: Solve for x
    x = 162,833,853,296.72/369,722.30
  6. Step 6: Final answer
    x = 440,422.05

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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.