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Finding the Fourth Proportional to 319,500.86, 440,908.72 and 176,266.94

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Solution

The fourth proportional to 319,500.86, 440,908.72 and 176,266.94 is: 243,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,500.86 : 440,908.72 = 176,266.94 : x
  2. Step 2: Convert to fraction form
    319,500.86/440,908.72 = 176,266.94/x
  3. Step 3: Cross multiply
    319,500.86x = 440,908.72 × 176,266.94
  4. Step 4: Simplify right side
    319,500.86x = 77,717,628,248.51
  5. Step 5: Solve for x
    x = 77,717,628,248.51/319,500.86
  6. Step 6: Final answer
    x = 243,247.01

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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.