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Finding the Fourth Proportional to 319,365.86, 478,967.04 and 94,673.76

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Solution

The fourth proportional to 319,365.86, 478,967.04 and 94,673.76 is: 141,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,365.86 : 478,967.04 = 94,673.76 : x
  2. Step 2: Convert to fraction form
    319,365.86/478,967.04 = 94,673.76/x
  3. Step 3: Cross multiply
    319,365.86x = 478,967.04 × 94,673.76
  4. Step 4: Simplify right side
    319,365.86x = 45,345,610,592.87
  5. Step 5: Solve for x
    x = 45,345,610,592.87/319,365.86
  6. Step 6: Final answer
    x = 141,986.41

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1.5x scale

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.