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Finding the Fourth Proportional to 549,285.60, 823,928.40 and 460,712.10

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Solution

The fourth proportional to 549,285.60, 823,928.40 and 460,712.10 is: 691,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,285.60 : 823,928.40 = 460,712.10 : x
  2. Step 2: Convert to fraction form
    549,285.60/823,928.40 = 460,712.10/x
  3. Step 3: Cross multiply
    549,285.60x = 823,928.40 × 460,712.10
  4. Step 4: Simplify right side
    549,285.60x = 379,593,783,413.64
  5. Step 5: Solve for x
    x = 379,593,783,413.64/549,285.60
  6. Step 6: Final answer
    x = 691,068.15

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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.