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Finding the Fourth Proportional to 313,632, 432,803.74 and 184,578.07

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Solution

The fourth proportional to 313,632, 432,803.74 and 184,578.07 is: 254,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,632 : 432,803.74 = 184,578.07 : x
  2. Step 2: Convert to fraction form
    313,632/432,803.74 = 184,578.07/x
  3. Step 3: Cross multiply
    313,632x = 432,803.74 × 184,578.07
  4. Step 4: Simplify right side
    313,632x = 79,886,076,472.08
  5. Step 5: Solve for x
    x = 79,886,076,472.08/313,632
  6. Step 6: Final answer
    x = 254,712.77

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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.