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Finding the Fourth Proportional to 822,842.24, 1,135,607.76 and 473,994.71

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Solution

The fourth proportional to 822,842.24, 1,135,607.76 and 473,994.71 is: 654,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,842.24 : 1,135,607.76 = 473,994.71 : x
  2. Step 2: Convert to fraction form
    822,842.24/1,135,607.76 = 473,994.71/x
  3. Step 3: Cross multiply
    822,842.24x = 1,135,607.76 × 473,994.71
  4. Step 4: Simplify right side
    822,842.24x = 538,272,066,974.39
  5. Step 5: Solve for x
    x = 538,272,066,974.39/822,842.24
  6. Step 6: Final answer
    x = 654,161.93

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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.