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Finding the Fourth Proportional to 651,409.56, 975,670.74 and 500,539.32

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Solution

The fourth proportional to 651,409.56, 975,670.74 and 500,539.32 is: 749,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,409.56 : 975,670.74 = 500,539.32 : x
  2. Step 2: Convert to fraction form
    651,409.56/975,670.74 = 500,539.32/x
  3. Step 3: Cross multiply
    651,409.56x = 975,670.74 × 500,539.32
  4. Step 4: Simplify right side
    651,409.56x = 488,361,568,743.50
  5. Step 5: Solve for x
    x = 488,361,568,743.50/651,409.56
  6. Step 6: Final answer
    x = 749,699.73

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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.