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Finding the Fourth Proportional to 579,899.34, 798,442.38 and 526,755.24

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Solution

The fourth proportional to 579,899.34, 798,442.38 and 526,755.24 is: 725,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,899.34 : 798,442.38 = 526,755.24 : x
  2. Step 2: Convert to fraction form
    579,899.34/798,442.38 = 526,755.24/x
  3. Step 3: Cross multiply
    579,899.34x = 798,442.38 × 526,755.24
  4. Step 4: Simplify right side
    579,899.34x = 420,583,707,503.07
  5. Step 5: Solve for x
    x = 420,583,707,503.07/579,899.34
  6. Step 6: Final answer
    x = 725,270.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.