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Finding the Fourth Proportional to 384,273.20, 577,670.64 and 356,528.24

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Solution

The fourth proportional to 384,273.20, 577,670.64 and 356,528.24 is: 535,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,273.20 : 577,670.64 = 356,528.24 : x
  2. Step 2: Convert to fraction form
    384,273.20/577,670.64 = 356,528.24/x
  3. Step 3: Cross multiply
    384,273.20x = 577,670.64 × 356,528.24
  4. Step 4: Simplify right side
    384,273.20x = 205,955,896,578.87
  5. Step 5: Solve for x
    x = 205,955,896,578.87/384,273.20
  6. Step 6: Final answer
    x = 535,962.17

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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.