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Finding the Fourth Proportional to 651,196.52, 898,643.32 and 379,308.68

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Solution

The fourth proportional to 651,196.52, 898,643.32 and 379,308.68 is: 523,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,196.52 : 898,643.32 = 379,308.68 : x
  2. Step 2: Convert to fraction form
    651,196.52/898,643.32 = 379,308.68/x
  3. Step 3: Cross multiply
    651,196.52x = 898,643.32 × 379,308.68
  4. Step 4: Simplify right side
    651,196.52x = 340,863,206,058.53
  5. Step 5: Solve for x
    x = 340,863,206,058.53/651,196.52
  6. Step 6: Final answer
    x = 523,441.39

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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.