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Finding the Fourth Proportional to 533,048.40, 799,572.60 and 489,502.80

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Solution

The fourth proportional to 533,048.40, 799,572.60 and 489,502.80 is: 734,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,048.40 : 799,572.60 = 489,502.80 : x
  2. Step 2: Convert to fraction form
    533,048.40/799,572.60 = 489,502.80/x
  3. Step 3: Cross multiply
    533,048.40x = 799,572.60 × 489,502.80
  4. Step 4: Simplify right side
    533,048.40x = 391,393,026,503.28
  5. Step 5: Solve for x
    x = 391,393,026,503.28/533,048.40
  6. Step 6: Final answer
    x = 734,254.20

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Double scale
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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.