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Finding the Fourth Proportional to 319,219.48, 478,899.27 and 94,597.49

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Solution

The fourth proportional to 319,219.48, 478,899.27 and 94,597.49 is: 141,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,219.48 : 478,899.27 = 94,597.49 : x
  2. Step 2: Convert to fraction form
    319,219.48/478,899.27 = 94,597.49/x
  3. Step 3: Cross multiply
    319,219.48x = 478,899.27 × 94,597.49
  4. Step 4: Simplify right side
    319,219.48x = 45,302,670,102.08
  5. Step 5: Solve for x
    x = 45,302,670,102.08/319,219.48
  6. Step 6: Final answer
    x = 141,917.00

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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.