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Finding the Fourth Proportional to 540,673.76, 746,232 and 325,844.48

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Solution

The fourth proportional to 540,673.76, 746,232 and 325,844.48 is: 449,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,673.76 : 746,232 = 325,844.48 : x
  2. Step 2: Convert to fraction form
    540,673.76/746,232 = 325,844.48/x
  3. Step 3: Cross multiply
    540,673.76x = 746,232 × 325,844.48
  4. Step 4: Simplify right side
    540,673.76x = 243,155,577,999.36
  5. Step 5: Solve for x
    x = 243,155,577,999.36/540,673.76
  6. Step 6: Final answer
    x = 449,726.98

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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.