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Finding the Fourth Proportional to 706,355.19, 974,763.37 and 384,065.35

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Solution

The fourth proportional to 706,355.19, 974,763.37 and 384,065.35 is: 530,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,355.19 : 974,763.37 = 384,065.35 : x
  2. Step 2: Convert to fraction form
    706,355.19/974,763.37 = 384,065.35/x
  3. Step 3: Cross multiply
    706,355.19x = 974,763.37 × 384,065.35
  4. Step 4: Simplify right side
    706,355.19x = 374,372,834,866.23
  5. Step 5: Solve for x
    x = 374,372,834,866.23/706,355.19
  6. Step 6: Final answer
    x = 530,006.49

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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.