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Finding the Fourth Proportional to 658,649.04, 988,054.36 and 185,334.86

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Solution

The fourth proportional to 658,649.04, 988,054.36 and 185,334.86 is: 278,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,649.04 : 988,054.36 = 185,334.86 : x
  2. Step 2: Convert to fraction form
    658,649.04/988,054.36 = 185,334.86/x
  3. Step 3: Cross multiply
    658,649.04x = 988,054.36 × 185,334.86
  4. Step 4: Simplify right side
    658,649.04x = 183,120,916,482.99
  5. Step 5: Solve for x
    x = 183,120,916,482.99/658,649.04
  6. Step 6: Final answer
    x = 278,025.03

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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.