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Finding the Fourth Proportional to 376,543.20, 564,814.80 and 226,952.40

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Solution

The fourth proportional to 376,543.20, 564,814.80 and 226,952.40 is: 340,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,543.20 : 564,814.80 = 226,952.40 : x
  2. Step 2: Convert to fraction form
    376,543.20/564,814.80 = 226,952.40/x
  3. Step 3: Cross multiply
    376,543.20x = 564,814.80 × 226,952.40
  4. Step 4: Simplify right side
    376,543.20x = 128,186,074,415.52
  5. Step 5: Solve for x
    x = 128,186,074,415.52/376,543.20
  6. Step 6: Final answer
    x = 340,428.60

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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.