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Finding the Fourth Proportional to 574,602.12, 792,950.42 and 316,480.82

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Solution

The fourth proportional to 574,602.12, 792,950.42 and 316,480.82 is: 436,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,602.12 : 792,950.42 = 316,480.82 : x
  2. Step 2: Convert to fraction form
    574,602.12/792,950.42 = 316,480.82/x
  3. Step 3: Cross multiply
    574,602.12x = 792,950.42 × 316,480.82
  4. Step 4: Simplify right side
    574,602.12x = 250,953,595,967.39
  5. Step 5: Solve for x
    x = 250,953,595,967.39/574,602.12
  6. Step 6: Final answer
    x = 436,743.25

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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.