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Finding the Fourth Proportional to 624,053.25, 860,919.89 and 365,799.26

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Solution

The fourth proportional to 624,053.25, 860,919.89 and 365,799.26 is: 504,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,053.25 : 860,919.89 = 365,799.26 : x
  2. Step 2: Convert to fraction form
    624,053.25/860,919.89 = 365,799.26/x
  3. Step 3: Cross multiply
    624,053.25x = 860,919.89 × 365,799.26
  4. Step 4: Simplify right side
    624,053.25x = 314,923,852,547.69
  5. Step 5: Solve for x
    x = 314,923,852,547.69/624,053.25
  6. Step 6: Final answer
    x = 504,642.60

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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.