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Finding the Fourth Proportional to 253,459.76, 349,750.71 and 151,464.92

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Solution

The fourth proportional to 253,459.76, 349,750.71 and 151,464.92 is: 209,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,459.76 : 349,750.71 = 151,464.92 : x
  2. Step 2: Convert to fraction form
    253,459.76/349,750.71 = 151,464.92/x
  3. Step 3: Cross multiply
    253,459.76x = 349,750.71 × 151,464.92
  4. Step 4: Simplify right side
    253,459.76x = 52,974,961,561.34
  5. Step 5: Solve for x
    x = 52,974,961,561.34/253,459.76
  6. Step 6: Final answer
    x = 209,007.39

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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.