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Finding the Fourth Proportional to 683,225.65, 942,841.54 and 377,314.97

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Solution

The fourth proportional to 683,225.65, 942,841.54 and 377,314.97 is: 520,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,225.65 : 942,841.54 = 377,314.97 : x
  2. Step 2: Convert to fraction form
    683,225.65/942,841.54 = 377,314.97/x
  3. Step 3: Cross multiply
    683,225.65x = 942,841.54 × 377,314.97
  4. Step 4: Simplify right side
    683,225.65x = 355,748,228,793.67
  5. Step 5: Solve for x
    x = 355,748,228,793.67/683,225.65
  6. Step 6: Final answer
    x = 520,689.22

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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.