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Finding the Fourth Proportional to 526,070.00, 788,911.20 and 189,020.49

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Solution

The fourth proportional to 526,070.00, 788,911.20 and 189,020.49 is: 283,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,070.00 : 788,911.20 = 189,020.49 : x
  2. Step 2: Convert to fraction form
    526,070.00/788,911.20 = 189,020.49/x
  3. Step 3: Cross multiply
    526,070.00x = 788,911.20 × 189,020.49
  4. Step 4: Simplify right side
    526,070.00x = 149,120,381,590.49
  5. Step 5: Solve for x
    x = 149,120,381,590.49/526,070.00
  6. Step 6: Final answer
    x = 283,461.10

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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.