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Finding the Fourth Proportional to 466,490.70, 643,749.36 and 262,541.60

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Solution

The fourth proportional to 466,490.70, 643,749.36 and 262,541.60 is: 362,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,490.70 : 643,749.36 = 262,541.60 : x
  2. Step 2: Convert to fraction form
    466,490.70/643,749.36 = 262,541.60/x
  3. Step 3: Cross multiply
    466,490.70x = 643,749.36 × 262,541.60
  4. Step 4: Simplify right side
    466,490.70x = 169,010,986,973.38
  5. Step 5: Solve for x
    x = 169,010,986,973.38/466,490.70
  6. Step 6: Final answer
    x = 362,303.01

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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.