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Finding the Fourth Proportional to 615,152.60, 922,728.88 and 194,395.67

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Solution

The fourth proportional to 615,152.60, 922,728.88 and 194,395.67 is: 291,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,152.60 : 922,728.88 = 194,395.67 : x
  2. Step 2: Convert to fraction form
    615,152.60/922,728.88 = 194,395.67/x
  3. Step 3: Cross multiply
    615,152.60x = 922,728.88 × 194,395.67
  4. Step 4: Simplify right side
    615,152.60x = 179,374,498,855.95
  5. Step 5: Solve for x
    x = 179,374,498,855.95/615,152.60
  6. Step 6: Final answer
    x = 291,593.50

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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.