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Finding the Fourth Proportional to 574,455.19, 792,741.48 and 316,326.77

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Solution

The fourth proportional to 574,455.19, 792,741.48 and 316,326.77 is: 436,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,455.19 : 792,741.48 = 316,326.77 : x
  2. Step 2: Convert to fraction form
    574,455.19/792,741.48 = 316,326.77/x
  3. Step 3: Cross multiply
    574,455.19x = 792,741.48 × 316,326.77
  4. Step 4: Simplify right side
    574,455.19x = 250,765,351,415.61
  5. Step 5: Solve for x
    x = 250,765,351,415.61/574,455.19
  6. Step 6: Final answer
    x = 436,527.26

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Double scale
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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.