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Finding the Fourth Proportional to 772,812, 1,066,117.68 and 546,582.24

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Solution

The fourth proportional to 772,812, 1,066,117.68 and 546,582.24 is: 754,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,812 : 1,066,117.68 = 546,582.24 : x
  2. Step 2: Convert to fraction form
    772,812/1,066,117.68 = 546,582.24/x
  3. Step 3: Cross multiply
    772,812x = 1,066,117.68 × 546,582.24
  4. Step 4: Simplify right side
    772,812x = 582,720,989,638.00
  5. Step 5: Solve for x
    x = 582,720,989,638.00/772,812
  6. Step 6: Final answer
    x = 754,026.84

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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.