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Finding the Fourth Proportional to 584,199.90, 876,645.45 and 426,030.30

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Solution

The fourth proportional to 584,199.90, 876,645.45 and 426,030.30 is: 639,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,199.90 : 876,645.45 = 426,030.30 : x
  2. Step 2: Convert to fraction form
    584,199.90/876,645.45 = 426,030.30/x
  3. Step 3: Cross multiply
    584,199.90x = 876,645.45 × 426,030.30
  4. Step 4: Simplify right side
    584,199.90x = 373,477,524,057.14
  5. Step 5: Solve for x
    x = 373,477,524,057.14/584,199.90
  6. Step 6: Final answer
    x = 639,297.48

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Double scale
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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.