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Finding the Fourth Proportional to 706,902.15, 975,495.83 and 384,613.53

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Solution

The fourth proportional to 706,902.15, 975,495.83 and 384,613.53 is: 530,750.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,902.15 : 975,495.83 = 384,613.53 : x
  2. Step 2: Convert to fraction form
    706,902.15/975,495.83 = 384,613.53/x
  3. Step 3: Cross multiply
    706,902.15x = 975,495.83 × 384,613.53
  4. Step 4: Simplify right side
    706,902.15x = 375,188,892,753.51
  5. Step 5: Solve for x
    x = 375,188,892,753.51/706,902.15
  6. Step 6: Final answer
    x = 530,750.82

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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.