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Finding the Fourth Proportional to 370,459.15, 555,770.73 and 117,816.91

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Solution

The fourth proportional to 370,459.15, 555,770.73 and 117,816.91 is: 176,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,459.15 : 555,770.73 = 117,816.91 : x
  2. Step 2: Convert to fraction form
    370,459.15/555,770.73 = 117,816.91/x
  3. Step 3: Cross multiply
    370,459.15x = 555,770.73 × 117,816.91
  4. Step 4: Simplify right side
    370,459.15x = 65,479,190,077.04
  5. Step 5: Solve for x
    x = 65,479,190,077.04/370,459.15
  6. Step 6: Final answer
    x = 176,751.45

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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.