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Finding the Fourth Proportional to 651,308.52, 975,690.78 and 448,868.68

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Solution

The fourth proportional to 651,308.52, 975,690.78 and 448,868.68 is: 672,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,308.52 : 975,690.78 = 448,868.68 : x
  2. Step 2: Convert to fraction form
    651,308.52/975,690.78 = 448,868.68/x
  3. Step 3: Cross multiply
    651,308.52x = 975,690.78 × 448,868.68
  4. Step 4: Simplify right side
    651,308.52x = 437,957,032,506.77
  5. Step 5: Solve for x
    x = 437,957,032,506.77/651,308.52
  6. Step 6: Final answer
    x = 672,426.38

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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.