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Finding the Fourth Proportional to 760,822.50, 1,049,927.52 and 411,961.23

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Solution

The fourth proportional to 760,822.50, 1,049,927.52 and 411,961.23 is: 568,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,822.50 : 1,049,927.52 = 411,961.23 : x
  2. Step 2: Convert to fraction form
    760,822.50/1,049,927.52 = 411,961.23/x
  3. Step 3: Cross multiply
    760,822.50x = 1,049,927.52 × 411,961.23
  4. Step 4: Simplify right side
    760,822.50x = 432,529,432,550.05
  5. Step 5: Solve for x
    x = 432,529,432,550.05/760,822.50
  6. Step 6: Final answer
    x = 568,502.42

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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.