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Finding the Fourth Proportional to 575,480.64, 794,154.60 and 320,825.28

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Solution

The fourth proportional to 575,480.64, 794,154.60 and 320,825.28 is: 442,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,480.64 : 794,154.60 = 320,825.28 : x
  2. Step 2: Convert to fraction form
    575,480.64/794,154.60 = 320,825.28/x
  3. Step 3: Cross multiply
    575,480.64x = 794,154.60 × 320,825.28
  4. Step 4: Simplify right side
    575,480.64x = 254,784,871,908.29
  5. Step 5: Solve for x
    x = 254,784,871,908.29/575,480.64
  6. Step 6: Final answer
    x = 442,734.05

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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.