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Finding the Fourth Proportional to 423,012, 583,756.56 and 244,164

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Solution

The fourth proportional to 423,012, 583,756.56 and 244,164 is: 336,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,012 : 583,756.56 = 244,164 : x
  2. Step 2: Convert to fraction form
    423,012/583,756.56 = 244,164/x
  3. Step 3: Cross multiply
    423,012x = 583,756.56 × 244,164
  4. Step 4: Simplify right side
    423,012x = 142,532,336,715.84
  5. Step 5: Solve for x
    x = 142,532,336,715.84/423,012
  6. Step 6: Final answer
    x = 336,946.32

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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.