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Finding the Fourth Proportional to 557,182.80, 835,774.20 and 477,466.65

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Solution

The fourth proportional to 557,182.80, 835,774.20 and 477,466.65 is: 716,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,182.80 : 835,774.20 = 477,466.65 : x
  2. Step 2: Convert to fraction form
    557,182.80/835,774.20 = 477,466.65/x
  3. Step 3: Cross multiply
    557,182.80x = 835,774.20 × 477,466.65
  4. Step 4: Simplify right side
    557,182.80x = 399,054,307,430.43
  5. Step 5: Solve for x
    x = 399,054,307,430.43/557,182.80
  6. Step 6: Final answer
    x = 716,199.98

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.