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Finding the Fourth Proportional to 606,023.10, 909,034.65 and 578,466.90

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Solution

The fourth proportional to 606,023.10, 909,034.65 and 578,466.90 is: 867,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,023.10 : 909,034.65 = 578,466.90 : x
  2. Step 2: Convert to fraction form
    606,023.10/909,034.65 = 578,466.90/x
  3. Step 3: Cross multiply
    606,023.10x = 909,034.65 × 578,466.90
  4. Step 4: Simplify right side
    606,023.10x = 525,846,455,978.09
  5. Step 5: Solve for x
    x = 525,846,455,978.09/606,023.10
  6. Step 6: Final answer
    x = 867,700.35

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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.