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Finding the Fourth Proportional to 524,661.48, 786,993.47 and 145,602.54

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Solution

The fourth proportional to 524,661.48, 786,993.47 and 145,602.54 is: 218,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,661.48 : 786,993.47 = 145,602.54 : x
  2. Step 2: Convert to fraction form
    524,661.48/786,993.47 = 145,602.54/x
  3. Step 3: Cross multiply
    524,661.48x = 786,993.47 × 145,602.54
  4. Step 4: Simplify right side
    524,661.48x = 114,588,248,195.41
  5. Step 5: Solve for x
    x = 114,588,248,195.41/524,661.48
  6. Step 6: Final answer
    x = 218,404.16

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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.