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Finding the Fourth Proportional to 592,899.81, 818,201.55 and 320,967.51

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Solution

The fourth proportional to 592,899.81, 818,201.55 and 320,967.51 is: 442,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,899.81 : 818,201.55 = 320,967.51 : x
  2. Step 2: Convert to fraction form
    592,899.81/818,201.55 = 320,967.51/x
  3. Step 3: Cross multiply
    592,899.81x = 818,201.55 × 320,967.51
  4. Step 4: Simplify right side
    592,899.81x = 262,616,114,181.64
  5. Step 5: Solve for x
    x = 262,616,114,181.64/592,899.81
  6. Step 6: Final answer
    x = 442,935.06

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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.