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Finding the Fourth Proportional to 376,890.40, 565,335.60 and 372,953.80

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Solution

The fourth proportional to 376,890.40, 565,335.60 and 372,953.80 is: 559,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,890.40 : 565,335.60 = 372,953.80 : x
  2. Step 2: Convert to fraction form
    376,890.40/565,335.60 = 372,953.80/x
  3. Step 3: Cross multiply
    376,890.40x = 565,335.60 × 372,953.80
  4. Step 4: Simplify right side
    376,890.40x = 210,844,060,295.28
  5. Step 5: Solve for x
    x = 210,844,060,295.28/376,890.40
  6. Step 6: Final answer
    x = 559,430.70

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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.