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Finding the Fourth Proportional to 453,393.76, 625,673.28 and 262,403.32

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Solution

The fourth proportional to 453,393.76, 625,673.28 and 262,403.32 is: 362,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,393.76 : 625,673.28 = 262,403.32 : x
  2. Step 2: Convert to fraction form
    453,393.76/625,673.28 = 262,403.32/x
  3. Step 3: Cross multiply
    453,393.76x = 625,673.28 × 262,403.32
  4. Step 4: Simplify right side
    453,393.76x = 164,178,745,907.29
  5. Step 5: Solve for x
    x = 164,178,745,907.29/453,393.76
  6. Step 6: Final answer
    x = 362,110.73

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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.