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Finding the Fourth Proportional to 594,072.20, 891,108.30 and 342,129.80

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Solution

The fourth proportional to 594,072.20, 891,108.30 and 342,129.80 is: 513,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,072.20 : 891,108.30 = 342,129.80 : x
  2. Step 2: Convert to fraction form
    594,072.20/891,108.30 = 342,129.80/x
  3. Step 3: Cross multiply
    594,072.20x = 891,108.30 × 342,129.80
  4. Step 4: Simplify right side
    594,072.20x = 304,874,704,457.34
  5. Step 5: Solve for x
    x = 304,874,704,457.34/594,072.20
  6. Step 6: Final answer
    x = 513,194.70

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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.