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Finding the Fourth Proportional to 364,384.53, 503,242.73 and 277,415.78

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Solution

The fourth proportional to 364,384.53, 503,242.73 and 277,415.78 is: 383,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,384.53 : 503,242.73 = 277,415.78 : x
  2. Step 2: Convert to fraction form
    364,384.53/503,242.73 = 277,415.78/x
  3. Step 3: Cross multiply
    364,384.53x = 503,242.73 × 277,415.78
  4. Step 4: Simplify right side
    364,384.53x = 139,607,470,568.99
  5. Step 5: Solve for x
    x = 139,607,470,568.99/364,384.53
  6. Step 6: Final answer
    x = 383,132.27

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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.