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Finding the Fourth Proportional to 872,878.65, 1,204,737.89 and 546,343.08

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Solution

The fourth proportional to 872,878.65, 1,204,737.89 and 546,343.08 is: 754,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,878.65 : 1,204,737.89 = 546,343.08 : x
  2. Step 2: Convert to fraction form
    872,878.65/1,204,737.89 = 546,343.08/x
  3. Step 3: Cross multiply
    872,878.65x = 1,204,737.89 × 546,343.08
  4. Step 4: Simplify right side
    872,878.65x = 658,200,206,683.59
  5. Step 5: Solve for x
    x = 658,200,206,683.59/872,878.65
  6. Step 6: Final answer
    x = 754,056.94

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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.