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Finding the Fourth Proportional to 501,495.59, 692,061.21 and 272,057.42

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Solution

The fourth proportional to 501,495.59, 692,061.21 and 272,057.42 is: 375,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,495.59 : 692,061.21 = 272,057.42 : x
  2. Step 2: Convert to fraction form
    501,495.59/692,061.21 = 272,057.42/x
  3. Step 3: Cross multiply
    501,495.59x = 692,061.21 × 272,057.42
  4. Step 4: Simplify right side
    501,495.59x = 188,280,383,814.37
  5. Step 5: Solve for x
    x = 188,280,383,814.37/501,495.59
  6. Step 6: Final answer
    x = 375,437.77

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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.