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Finding the Fourth Proportional to 574,888.89, 793,675.52 and 381,558.78

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Solution

The fourth proportional to 574,888.89, 793,675.52 and 381,558.78 is: 526,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,888.89 : 793,675.52 = 381,558.78 : x
  2. Step 2: Convert to fraction form
    574,888.89/793,675.52 = 381,558.78/x
  3. Step 3: Cross multiply
    574,888.89x = 793,675.52 × 381,558.78
  4. Step 4: Simplify right side
    574,888.89x = 302,833,863,127.07
  5. Step 5: Solve for x
    x = 302,833,863,127.07/574,888.89
  6. Step 6: Final answer
    x = 526,769.38

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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.