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Finding the Fourth Proportional to 296,503.04, 409,171.28 and 160,533.44

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Solution

The fourth proportional to 296,503.04, 409,171.28 and 160,533.44 is: 221,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,503.04 : 409,171.28 = 160,533.44 : x
  2. Step 2: Convert to fraction form
    296,503.04/409,171.28 = 160,533.44/x
  3. Step 3: Cross multiply
    296,503.04x = 409,171.28 × 160,533.44
  4. Step 4: Simplify right side
    296,503.04x = 65,685,673,127.60
  5. Step 5: Solve for x
    x = 65,685,673,127.60/296,503.04
  6. Step 6: Final answer
    x = 221,534.57

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1.5x scale

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.