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Finding the Fourth Proportional to 525,497.63, 725,187.53 and 299,143.13

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Solution

The fourth proportional to 525,497.63, 725,187.53 and 299,143.13 is: 412,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,497.63 : 725,187.53 = 299,143.13 : x
  2. Step 2: Convert to fraction form
    525,497.63/725,187.53 = 299,143.13/x
  3. Step 3: Cross multiply
    525,497.63x = 725,187.53 × 299,143.13
  4. Step 4: Simplify right side
    525,497.63x = 216,934,864,683.09
  5. Step 5: Solve for x
    x = 216,934,864,683.09/525,497.63
  6. Step 6: Final answer
    x = 412,817.97

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1.5x scale

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.