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Finding the Fourth Proportional to 319,160.89, 478,740.46 and 94,538.84

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Solution

The fourth proportional to 319,160.89, 478,740.46 and 94,538.84 is: 141,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,160.89 : 478,740.46 = 94,538.84 : x
  2. Step 2: Convert to fraction form
    319,160.89/478,740.46 = 94,538.84/x
  3. Step 3: Cross multiply
    319,160.89x = 478,740.46 × 94,538.84
  4. Step 4: Simplify right side
    319,160.89x = 45,259,566,237.92
  5. Step 5: Solve for x
    x = 45,259,566,237.92/319,160.89
  6. Step 6: Final answer
    x = 141,808.00

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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.