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Finding the Fourth Proportional to 601,031.80, 902,048.28 and 316,824.40

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Solution

The fourth proportional to 601,031.80, 902,048.28 and 316,824.40 is: 475,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,031.80 : 902,048.28 = 316,824.40 : x
  2. Step 2: Convert to fraction form
    601,031.80/902,048.28 = 316,824.40/x
  3. Step 3: Cross multiply
    601,031.80x = 902,048.28 × 316,824.40
  4. Step 4: Simplify right side
    601,031.80x = 285,790,905,082.03
  5. Step 5: Solve for x
    x = 285,790,905,082.03/601,031.80
  6. Step 6: Final answer
    x = 475,500.47

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1.5x scale

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.