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Finding the Fourth Proportional to 377,010.54, 520,276.23 and 207,255.60

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Solution

The fourth proportional to 377,010.54, 520,276.23 and 207,255.60 is: 286,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,010.54 : 520,276.23 = 207,255.60 : x
  2. Step 2: Convert to fraction form
    377,010.54/520,276.23 = 207,255.60/x
  3. Step 3: Cross multiply
    377,010.54x = 520,276.23 × 207,255.60
  4. Step 4: Simplify right side
    377,010.54x = 107,830,162,214.39
  5. Step 5: Solve for x
    x = 107,830,162,214.39/377,010.54
  6. Step 6: Final answer
    x = 286,013.65

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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.