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Finding the Fourth Proportional to 503,772.48, 695,196.02 and 274,332.49

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Solution

The fourth proportional to 503,772.48, 695,196.02 and 274,332.49 is: 378,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,772.48 : 695,196.02 = 274,332.49 : x
  2. Step 2: Convert to fraction form
    503,772.48/695,196.02 = 274,332.49/x
  3. Step 3: Cross multiply
    503,772.48x = 695,196.02 × 274,332.49
  4. Step 4: Simplify right side
    503,772.48x = 190,714,854,152.53
  5. Step 5: Solve for x
    x = 190,714,854,152.53/503,772.48
  6. Step 6: Final answer
    x = 378,573.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.