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Finding the Fourth Proportional to 525,466.66, 788,457.57 and 325,734.16

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Solution

The fourth proportional to 525,466.66, 788,457.57 and 325,734.16 is: 488,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,466.66 : 788,457.57 = 325,734.16 : x
  2. Step 2: Convert to fraction form
    525,466.66/788,457.57 = 325,734.16/x
  3. Step 3: Cross multiply
    525,466.66x = 788,457.57 × 325,734.16
  4. Step 4: Simplify right side
    525,466.66x = 256,827,564,259.59
  5. Step 5: Solve for x
    x = 256,827,564,259.59/525,466.66
  6. Step 6: Final answer
    x = 488,760.91

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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.