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Finding the Fourth Proportional to 573,353.01, 855,191.93 and 497,879.64

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Solution

The fourth proportional to 573,353.01, 855,191.93 and 497,879.64 is: 742,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,353.01 : 855,191.93 = 497,879.64 : x
  2. Step 2: Convert to fraction form
    573,353.01/855,191.93 = 497,879.64/x
  3. Step 3: Cross multiply
    573,353.01x = 855,191.93 × 497,879.64
  4. Step 4: Simplify right side
    573,353.01x = 425,782,647,749.91
  5. Step 5: Solve for x
    x = 425,782,647,749.91/573,353.01
  6. Step 6: Final answer
    x = 742,618.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.