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Finding the Fourth Proportional to 572,342.33, 789,792.89 and 317,673.47

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Solution

The fourth proportional to 572,342.33, 789,792.89 and 317,673.47 is: 438,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,342.33 : 789,792.89 = 317,673.47 : x
  2. Step 2: Convert to fraction form
    572,342.33/789,792.89 = 317,673.47/x
  3. Step 3: Cross multiply
    572,342.33x = 789,792.89 × 317,673.47
  4. Step 4: Simplify right side
    572,342.33x = 250,896,248,333.74
  5. Step 5: Solve for x
    x = 250,896,248,333.74/572,342.33
  6. Step 6: Final answer
    x = 438,367.45

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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.