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Finding the Fourth Proportional to 706,362.65, 974,792.63 and 384,074.92

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Solution

The fourth proportional to 706,362.65, 974,792.63 and 384,074.92 is: 530,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,362.65 : 974,792.63 = 384,074.92 : x
  2. Step 2: Convert to fraction form
    706,362.65/974,792.63 = 384,074.92/x
  3. Step 3: Cross multiply
    706,362.65x = 974,792.63 × 384,074.92
  4. Step 4: Simplify right side
    706,362.65x = 374,393,401,383.84
  5. Step 5: Solve for x
    x = 374,393,401,383.84/706,362.65
  6. Step 6: Final answer
    x = 530,030.01

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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.