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Finding the Fourth Proportional to 706,586.55, 975,061.36 and 384,296.46

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Solution

The fourth proportional to 706,586.55, 975,061.36 and 384,296.46 is: 530,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,586.55 : 975,061.36 = 384,296.46 : x
  2. Step 2: Convert to fraction form
    706,586.55/975,061.36 = 384,296.46/x
  3. Step 3: Cross multiply
    706,586.55x = 975,061.36 × 384,296.46
  4. Step 4: Simplify right side
    706,586.55x = 374,712,628,930.79
  5. Step 5: Solve for x
    x = 374,712,628,930.79/706,586.55
  6. Step 6: Final answer
    x = 530,313.84

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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.