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Finding the Fourth Proportional to 896,422.68, 1,237,032 and 488,516.27

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Solution

The fourth proportional to 896,422.68, 1,237,032 and 488,516.27 is: 674,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,422.68 : 1,237,032 = 488,516.27 : x
  2. Step 2: Convert to fraction form
    896,422.68/1,237,032 = 488,516.27/x
  3. Step 3: Cross multiply
    896,422.68x = 1,237,032 × 488,516.27
  4. Step 4: Simplify right side
    896,422.68x = 604,310,252,325.48
  5. Step 5: Solve for x
    x = 604,310,252,325.48/896,422.68
  6. Step 6: Final answer
    x = 674,135.39

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Half scale
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Double scale
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Similar ratio
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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.