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Finding the Fourth Proportional to 654,904.24, 903,758.84 and 368,424.24

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Solution

The fourth proportional to 654,904.24, 903,758.84 and 368,424.24 is: 508,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,904.24 : 903,758.84 = 368,424.24 : x
  2. Step 2: Convert to fraction form
    654,904.24/903,758.84 = 368,424.24/x
  3. Step 3: Cross multiply
    654,904.24x = 903,758.84 × 368,424.24
  4. Step 4: Simplify right side
    654,904.24x = 332,966,663,770.28
  5. Step 5: Solve for x
    x = 332,966,663,770.28/654,904.24
  6. Step 6: Final answer
    x = 508,420.38

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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.