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Finding the Fourth Proportional to 468,527.16, 646,566.54 and 253,667.40

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Solution

The fourth proportional to 468,527.16, 646,566.54 and 253,667.40 is: 350,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,527.16 : 646,566.54 = 253,667.40 : x
  2. Step 2: Convert to fraction form
    468,527.16/646,566.54 = 253,667.40/x
  3. Step 3: Cross multiply
    468,527.16x = 646,566.54 × 253,667.40
  4. Step 4: Simplify right side
    468,527.16x = 164,012,853,128.80
  5. Step 5: Solve for x
    x = 164,012,853,128.80/468,527.16
  6. Step 6: Final answer
    x = 350,060.50

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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.