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Finding the Fourth Proportional to 590,930.10, 886,395.15 and 555,938.10

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Solution

The fourth proportional to 590,930.10, 886,395.15 and 555,938.10 is: 833,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,930.10 : 886,395.15 = 555,938.10 : x
  2. Step 2: Convert to fraction form
    590,930.10/886,395.15 = 555,938.10/x
  3. Step 3: Cross multiply
    590,930.10x = 886,395.15 × 555,938.10
  4. Step 4: Simplify right side
    590,930.10x = 492,780,835,540.22
  5. Step 5: Solve for x
    x = 492,780,835,540.22/590,930.10
  6. Step 6: Final answer
    x = 833,907.15

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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.