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Finding the Fourth Proportional to 506,799.60, 760,199.40 and 489,084.90

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Solution

The fourth proportional to 506,799.60, 760,199.40 and 489,084.90 is: 733,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,799.60 : 760,199.40 = 489,084.90 : x
  2. Step 2: Convert to fraction form
    506,799.60/760,199.40 = 489,084.90/x
  3. Step 3: Cross multiply
    506,799.60x = 760,199.40 × 489,084.90
  4. Step 4: Simplify right side
    506,799.60x = 371,802,047,529.06
  5. Step 5: Solve for x
    x = 371,802,047,529.06/506,799.60
  6. Step 6: Final answer
    x = 733,627.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.