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Finding the Fourth Proportional to 692,960.16, 956,323.44 and 489,076.32

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Solution

The fourth proportional to 692,960.16, 956,323.44 and 489,076.32 is: 674,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,960.16 : 956,323.44 = 489,076.32 : x
  2. Step 2: Convert to fraction form
    692,960.16/956,323.44 = 489,076.32/x
  3. Step 3: Cross multiply
    692,960.16x = 956,323.44 × 489,076.32
  4. Step 4: Simplify right side
    692,960.16x = 467,715,148,764.94
  5. Step 5: Solve for x
    x = 467,715,148,764.94/692,960.16
  6. Step 6: Final answer
    x = 674,952.44

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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.