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Finding the Fourth Proportional to 506,790.48, 760,191 and 207,066.36

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Solution

The fourth proportional to 506,790.48, 760,191 and 207,066.36 is: 310,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,790.48 : 760,191 = 207,066.36 : x
  2. Step 2: Convert to fraction form
    506,790.48/760,191 = 207,066.36/x
  3. Step 3: Cross multiply
    506,790.48x = 760,191 × 207,066.36
  4. Step 4: Simplify right side
    506,790.48x = 157,409,983,274.76
  5. Step 5: Solve for x
    x = 157,409,983,274.76/506,790.48
  6. Step 6: Final answer
    x = 310,601.70

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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.