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Finding the Fourth Proportional to 655,253.58, 904,528.96 and 440,518.18

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Solution

The fourth proportional to 655,253.58, 904,528.96 and 440,518.18 is: 608,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,253.58 : 904,528.96 = 440,518.18 : x
  2. Step 2: Convert to fraction form
    655,253.58/904,528.96 = 440,518.18/x
  3. Step 3: Cross multiply
    655,253.58x = 904,528.96 × 440,518.18
  4. Step 4: Simplify right side
    655,253.58x = 398,461,451,216.49
  5. Step 5: Solve for x
    x = 398,461,451,216.49/655,253.58
  6. Step 6: Final answer
    x = 608,102.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.