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Finding the Fourth Proportional to 487,910.63, 732,537.56 and 248,186.76

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Solution

The fourth proportional to 487,910.63, 732,537.56 and 248,186.76 is: 372,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,910.63 : 732,537.56 = 248,186.76 : x
  2. Step 2: Convert to fraction form
    487,910.63/732,537.56 = 248,186.76/x
  3. Step 3: Cross multiply
    487,910.63x = 732,537.56 × 248,186.76
  4. Step 4: Simplify right side
    487,910.63x = 181,806,122,353.77
  5. Step 5: Solve for x
    x = 181,806,122,353.77/487,910.63
  6. Step 6: Final answer
    x = 372,621.77

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1.5x scale

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.