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Finding the Fourth Proportional to 469,200.87, 700,367.60 and 403,065.99

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Solution

The fourth proportional to 469,200.87, 700,367.60 and 403,065.99 is: 601,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,200.87 : 700,367.60 = 403,065.99 : x
  2. Step 2: Convert to fraction form
    469,200.87/700,367.60 = 403,065.99/x
  3. Step 3: Cross multiply
    469,200.87x = 700,367.60 × 403,065.99
  4. Step 4: Simplify right side
    469,200.87x = 282,294,358,798.34
  5. Step 5: Solve for x
    x = 282,294,358,798.34/469,200.87
  6. Step 6: Final answer
    x = 601,649.27

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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.