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Finding the Fourth Proportional to 468,699.71, 646,806.11 and 253,840.01

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Solution

The fourth proportional to 468,699.71, 646,806.11 and 253,840.01 is: 350,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,699.71 : 646,806.11 = 253,840.01 : x
  2. Step 2: Convert to fraction form
    468,699.71/646,806.11 = 253,840.01/x
  3. Step 3: Cross multiply
    468,699.71x = 646,806.11 × 253,840.01
  4. Step 4: Simplify right side
    468,699.71x = 164,185,264,927.23
  5. Step 5: Solve for x
    x = 164,185,264,927.23/468,699.71
  6. Step 6: Final answer
    x = 350,299.48

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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.