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Finding the Fourth Proportional to 501,881.72, 692,598.65 and 272,439.45

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Solution

The fourth proportional to 501,881.72, 692,598.65 and 272,439.45 is: 375,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,881.72 : 692,598.65 = 272,439.45 : x
  2. Step 2: Convert to fraction form
    501,881.72/692,598.65 = 272,439.45/x
  3. Step 3: Cross multiply
    501,881.72x = 692,598.65 × 272,439.45
  4. Step 4: Simplify right side
    501,881.72x = 188,691,193,914.55
  5. Step 5: Solve for x
    x = 188,691,193,914.55/501,881.72
  6. Step 6: Final answer
    x = 375,967.46

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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.