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Finding the Fourth Proportional to 436,600.86, 602,518.95 and 266,928.54

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Solution

The fourth proportional to 436,600.86, 602,518.95 and 266,928.54 is: 368,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,600.86 : 602,518.95 = 266,928.54 : x
  2. Step 2: Convert to fraction form
    436,600.86/602,518.95 = 266,928.54/x
  3. Step 3: Cross multiply
    436,600.86x = 602,518.95 × 266,928.54
  4. Step 4: Simplify right side
    436,600.86x = 160,829,503,645.83
  5. Step 5: Solve for x
    x = 160,829,503,645.83/436,600.86
  6. Step 6: Final answer
    x = 368,367.35

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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.