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Finding the Fourth Proportional to 591,325.20, 886,987.80 and 585,104.40

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Solution

The fourth proportional to 591,325.20, 886,987.80 and 585,104.40 is: 877,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,325.20 : 886,987.80 = 585,104.40 : x
  2. Step 2: Convert to fraction form
    591,325.20/886,987.80 = 585,104.40/x
  3. Step 3: Cross multiply
    591,325.20x = 886,987.80 × 585,104.40
  4. Step 4: Simplify right side
    591,325.20x = 518,980,464,526.32
  5. Step 5: Solve for x
    x = 518,980,464,526.32/591,325.20
  6. Step 6: Final answer
    x = 877,656.60

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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.