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Finding the Fourth Proportional to 569,706.40, 853,433.20 and 499,664.80

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Solution

The fourth proportional to 569,706.40, 853,433.20 and 499,664.80 is: 748,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,706.40 : 853,433.20 = 499,664.80 : x
  2. Step 2: Convert to fraction form
    569,706.40/853,433.20 = 499,664.80/x
  3. Step 3: Cross multiply
    569,706.40x = 853,433.20 × 499,664.80
  4. Step 4: Simplify right side
    569,706.40x = 426,430,529,191.36
  5. Step 5: Solve for x
    x = 426,430,529,191.36/569,706.40
  6. Step 6: Final answer
    x = 748,509.28

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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.