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Finding the Fourth Proportional to 301,818.45, 452,209.28 and 143,706.45

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Solution

The fourth proportional to 301,818.45, 452,209.28 and 143,706.45 is: 215,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,818.45 : 452,209.28 = 143,706.45 : x
  2. Step 2: Convert to fraction form
    301,818.45/452,209.28 = 143,706.45/x
  3. Step 3: Cross multiply
    301,818.45x = 452,209.28 × 143,706.45
  4. Step 4: Simplify right side
    301,818.45x = 64,985,389,567.32
  5. Step 5: Solve for x
    x = 64,985,389,567.32/301,818.45
  6. Step 6: Final answer
    x = 215,312.85

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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.