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Finding the Fourth Proportional to 772,778, 1,066,070.76 and 546,548.24

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Solution

The fourth proportional to 772,778, 1,066,070.76 and 546,548.24 is: 753,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,778 : 1,066,070.76 = 546,548.24 : x
  2. Step 2: Convert to fraction form
    772,778/1,066,070.76 = 546,548.24/x
  3. Step 3: Cross multiply
    772,778x = 1,066,070.76 × 546,548.24
  4. Step 4: Simplify right side
    772,778x = 582,659,097,593.46
  5. Step 5: Solve for x
    x = 582,659,097,593.46/772,778
  6. Step 6: Final answer
    x = 753,979.92

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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.