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Finding the Fourth Proportional to 529,764.48, 794,646.70 and 155,787.48

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Solution

The fourth proportional to 529,764.48, 794,646.70 and 155,787.48 is: 233,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,764.48 : 794,646.70 = 155,787.48 : x
  2. Step 2: Convert to fraction form
    529,764.48/794,646.70 = 155,787.48/x
  3. Step 3: Cross multiply
    529,764.48x = 794,646.70 × 155,787.48
  4. Step 4: Simplify right side
    529,764.48x = 123,796,006,883.32
  5. Step 5: Solve for x
    x = 123,796,006,883.32/529,764.48
  6. Step 6: Final answer
    x = 233,681.21

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.