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Finding the Fourth Proportional to 404,725.75, 607,118.06 and 155,407.75

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Solution

The fourth proportional to 404,725.75, 607,118.06 and 155,407.75 is: 233,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,725.75 : 607,118.06 = 155,407.75 : x
  2. Step 2: Convert to fraction form
    404,725.75/607,118.06 = 155,407.75/x
  3. Step 3: Cross multiply
    404,725.75x = 607,118.06 × 155,407.75
  4. Step 4: Simplify right side
    404,725.75x = 94,350,851,688.97
  5. Step 5: Solve for x
    x = 94,350,851,688.97/404,725.75
  6. Step 6: Final answer
    x = 233,122.93

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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.