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Finding the Fourth Proportional to 623,738.64, 860,759.82 and 337,258.92

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Solution

The fourth proportional to 623,738.64, 860,759.82 and 337,258.92 is: 465,417.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,738.64 : 860,759.82 = 337,258.92 : x
  2. Step 2: Convert to fraction form
    623,738.64/860,759.82 = 337,258.92/x
  3. Step 3: Cross multiply
    623,738.64x = 860,759.82 × 337,258.92
  4. Step 4: Simplify right side
    623,738.64x = 290,298,927,272.59
  5. Step 5: Solve for x
    x = 290,298,927,272.59/623,738.64
  6. Step 6: Final answer
    x = 465,417.58

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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.