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Finding the Fourth Proportional to 503,060.40, 754,430.16 and 166,038.48

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Solution

The fourth proportional to 503,060.40, 754,430.16 and 166,038.48 is: 249,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,060.40 : 754,430.16 = 166,038.48 : x
  2. Step 2: Convert to fraction form
    503,060.40/754,430.16 = 166,038.48/x
  3. Step 3: Cross multiply
    503,060.40x = 754,430.16 × 166,038.48
  4. Step 4: Simplify right side
    503,060.40x = 125,264,437,032.56
  5. Step 5: Solve for x
    x = 125,264,437,032.56/503,060.40
  6. Step 6: Final answer
    x = 249,004.77

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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.