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Finding the Fourth Proportional to 377,613.36, 520,841.07 and 248,510.70

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Solution

The fourth proportional to 377,613.36, 520,841.07 and 248,510.70 is: 342,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,613.36 : 520,841.07 = 248,510.70 : x
  2. Step 2: Convert to fraction form
    377,613.36/520,841.07 = 248,510.70/x
  3. Step 3: Cross multiply
    377,613.36x = 520,841.07 × 248,510.70
  4. Step 4: Simplify right side
    377,613.36x = 129,434,578,894.45
  5. Step 5: Solve for x
    x = 129,434,578,894.45/377,613.36
  6. Step 6: Final answer
    x = 342,770.13

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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.