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Finding the Fourth Proportional to 374,497.60, 561,729.12 and 94,008.64

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Solution

The fourth proportional to 374,497.60, 561,729.12 and 94,008.64 is: 141,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,497.60 : 561,729.12 = 94,008.64 : x
  2. Step 2: Convert to fraction form
    374,497.60/561,729.12 = 94,008.64/x
  3. Step 3: Cross multiply
    374,497.60x = 561,729.12 × 94,008.64
  4. Step 4: Simplify right side
    374,497.60x = 52,807,390,619.60
  5. Step 5: Solve for x
    x = 52,807,390,619.60/374,497.60
  6. Step 6: Final answer
    x = 141,008.62

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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.