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Finding the Fourth Proportional to 574,341.42, 792,577.47 and 319,687.14

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Solution

The fourth proportional to 574,341.42, 792,577.47 and 319,687.14 is: 441,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,341.42 : 792,577.47 = 319,687.14 : x
  2. Step 2: Convert to fraction form
    574,341.42/792,577.47 = 319,687.14/x
  3. Step 3: Cross multiply
    574,341.42x = 792,577.47 × 319,687.14
  4. Step 4: Simplify right side
    574,341.42x = 253,376,824,612.74
  5. Step 5: Solve for x
    x = 253,376,824,612.74/574,341.42
  6. Step 6: Final answer
    x = 441,160.63

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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.