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Finding the Fourth Proportional to 507,368.00, 700,179.16 and 289,572.31

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Solution

The fourth proportional to 507,368.00, 700,179.16 and 289,572.31 is: 399,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,368.00 : 700,179.16 = 289,572.31 : x
  2. Step 2: Convert to fraction form
    507,368.00/700,179.16 = 289,572.31/x
  3. Step 3: Cross multiply
    507,368.00x = 700,179.16 × 289,572.31
  4. Step 4: Simplify right side
    507,368.00x = 202,752,494,300.68
  5. Step 5: Solve for x
    x = 202,752,494,300.68/507,368.00
  6. Step 6: Final answer
    x = 399,616.24

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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.