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Finding the Fourth Proportional to 760,705, 1,049,788.92 and 416,555.44

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Solution

The fourth proportional to 760,705, 1,049,788.92 and 416,555.44 is: 574,855.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,705 : 1,049,788.92 = 416,555.44 : x
  2. Step 2: Convert to fraction form
    760,705/1,049,788.92 = 416,555.44/x
  3. Step 3: Cross multiply
    760,705x = 1,049,788.92 × 416,555.44
  4. Step 4: Simplify right side
    760,705x = 437,295,285,477.73
  5. Step 5: Solve for x
    x = 437,295,285,477.73/760,705
  6. Step 6: Final answer
    x = 574,855.28

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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.