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Finding the Fourth Proportional to 468,225.73, 646,153.25 and 253,365.81

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Solution

The fourth proportional to 468,225.73, 646,153.25 and 253,365.81 is: 349,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,225.73 : 646,153.25 = 253,365.81 : x
  2. Step 2: Convert to fraction form
    468,225.73/646,153.25 = 253,365.81/x
  3. Step 3: Cross multiply
    468,225.73x = 646,153.25 × 253,365.81
  4. Step 4: Simplify right side
    468,225.73x = 163,713,141,570.38
  5. Step 5: Solve for x
    x = 163,713,141,570.38/468,225.73
  6. Step 6: Final answer
    x = 349,645.76

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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.