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Finding the Fourth Proportional to 501,880.59, 692,571.51 and 272,432.70

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Solution

The fourth proportional to 501,880.59, 692,571.51 and 272,432.70 is: 375,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,880.59 : 692,571.51 = 272,432.70 : x
  2. Step 2: Convert to fraction form
    501,880.59/692,571.51 = 272,432.70/x
  3. Step 3: Cross multiply
    501,880.59x = 692,571.51 × 272,432.70
  4. Step 4: Simplify right side
    501,880.59x = 188,679,126,412.38
  5. Step 5: Solve for x
    x = 188,679,126,412.38/501,880.59
  6. Step 6: Final answer
    x = 375,944.26

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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.