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Finding the Fourth Proportional to 683,937.65, 943,948.77 and 463,074.77

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Solution

The fourth proportional to 683,937.65, 943,948.77 and 463,074.77 is: 639,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,937.65 : 943,948.77 = 463,074.77 : x
  2. Step 2: Convert to fraction form
    683,937.65/943,948.77 = 463,074.77/x
  3. Step 3: Cross multiply
    683,937.65x = 943,948.77 × 463,074.77
  4. Step 4: Simplify right side
    683,937.65x = 437,118,859,559.53
  5. Step 5: Solve for x
    x = 437,118,859,559.53/683,937.65
  6. Step 6: Final answer
    x = 639,120.92

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1.5x scale

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.