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Finding the Fourth Proportional to 604,938.48, 907,490.76 and 205,472.01

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Solution

The fourth proportional to 604,938.48, 907,490.76 and 205,472.01 is: 308,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,938.48 : 907,490.76 = 205,472.01 : x
  2. Step 2: Convert to fraction form
    604,938.48/907,490.76 = 205,472.01/x
  3. Step 3: Cross multiply
    604,938.48x = 907,490.76 × 205,472.01
  4. Step 4: Simplify right side
    604,938.48x = 186,463,950,513.63
  5. Step 5: Solve for x
    x = 186,463,950,513.63/604,938.48
  6. Step 6: Final answer
    x = 308,236.22

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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.