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Finding the Fourth Proportional to 654,548.52, 903,271.28 and 368,062.50

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Solution

The fourth proportional to 654,548.52, 903,271.28 and 368,062.50 is: 507,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,548.52 : 903,271.28 = 368,062.50 : x
  2. Step 2: Convert to fraction form
    654,548.52/903,271.28 = 368,062.50/x
  3. Step 3: Cross multiply
    654,548.52x = 903,271.28 × 368,062.50
  4. Step 4: Simplify right side
    654,548.52x = 332,460,285,495
  5. Step 5: Solve for x
    x = 332,460,285,495/654,548.52
  6. Step 6: Final answer
    x = 507,923.06

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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.