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Finding the Fourth Proportional to 478,594.45, 660,458.98 and 263,734.46

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Solution

The fourth proportional to 478,594.45, 660,458.98 and 263,734.46 is: 363,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,594.45 : 660,458.98 = 263,734.46 : x
  2. Step 2: Convert to fraction form
    478,594.45/660,458.98 = 263,734.46/x
  3. Step 3: Cross multiply
    478,594.45x = 660,458.98 × 263,734.46
  4. Step 4: Simplify right side
    478,594.45x = 174,185,792,442.45
  5. Step 5: Solve for x
    x = 174,185,792,442.45/478,594.45
  6. Step 6: Final answer
    x = 363,952.80

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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.