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Finding the Fourth Proportional to 436,020.70, 609,029.30 and 436,020.70

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Solution

The fourth proportional to 436,020.70, 609,029.30 and 436,020.70 is: 609,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,020.70 : 609,029.30 = 436,020.70 : x
  2. Step 2: Convert to fraction form
    436,020.70/609,029.30 = 436,020.70/x
  3. Step 3: Cross multiply
    436,020.70x = 609,029.30 × 436,020.70
  4. Step 4: Simplify right side
    436,020.70x = 265,549,381,706.51
  5. Step 5: Solve for x
    x = 265,549,381,706.51/436,020.70
  6. Step 6: Final answer
    x = 609,029.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.