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Finding the Fourth Proportional to 585,201, 807,577.38 and 316,929

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Solution

The fourth proportional to 585,201, 807,577.38 and 316,929 is: 437,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,201 : 807,577.38 = 316,929 : x
  2. Step 2: Convert to fraction form
    585,201/807,577.38 = 316,929/x
  3. Step 3: Cross multiply
    585,201x = 807,577.38 × 316,929
  4. Step 4: Simplify right side
    585,201x = 255,944,691,466.02
  5. Step 5: Solve for x
    x = 255,944,691,466.02/585,201
  6. Step 6: Final answer
    x = 437,362.02

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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.