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Finding the Fourth Proportional to 527,585.53, 728,081.59 and 323,749.08

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Solution

The fourth proportional to 527,585.53, 728,081.59 and 323,749.08 is: 446,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,585.53 : 728,081.59 = 323,749.08 : x
  2. Step 2: Convert to fraction form
    527,585.53/728,081.59 = 323,749.08/x
  3. Step 3: Cross multiply
    527,585.53x = 728,081.59 × 323,749.08
  4. Step 4: Simplify right side
    527,585.53x = 235,715,744,927.44
  5. Step 5: Solve for x
    x = 235,715,744,927.44/527,585.53
  6. Step 6: Final answer
    x = 446,782.05

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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.