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Finding the Fourth Proportional to 525,003.77, 724,467.63 and 295,549.20

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Solution

The fourth proportional to 525,003.77, 724,467.63 and 295,549.20 is: 407,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,003.77 : 724,467.63 = 295,549.20 : x
  2. Step 2: Convert to fraction form
    525,003.77/724,467.63 = 295,549.20/x
  3. Step 3: Cross multiply
    525,003.77x = 724,467.63 × 295,549.20
  4. Step 4: Simplify right side
    525,003.77x = 214,115,829,580.71
  5. Step 5: Solve for x
    x = 214,115,829,580.71/525,003.77
  6. Step 6: Final answer
    x = 407,836.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.