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Finding the Fourth Proportional to 575,842.01, 863,762.85 and 309,235.77

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Solution

The fourth proportional to 575,842.01, 863,762.85 and 309,235.77 is: 463,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,842.01 : 863,762.85 = 309,235.77 : x
  2. Step 2: Convert to fraction form
    575,842.01/863,762.85 = 309,235.77/x
  3. Step 3: Cross multiply
    575,842.01x = 863,762.85 × 309,235.77
  4. Step 4: Simplify right side
    575,842.01x = 267,106,370,017.15
  5. Step 5: Solve for x
    x = 267,106,370,017.15/575,842.01
  6. Step 6: Final answer
    x = 463,853.57

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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.