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Finding the Fourth Proportional to 569,741.40, 853,485.70 and 499,699.80

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Solution

The fourth proportional to 569,741.40, 853,485.70 and 499,699.80 is: 748,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,741.40 : 853,485.70 = 499,699.80 : x
  2. Step 2: Convert to fraction form
    569,741.40/853,485.70 = 499,699.80/x
  3. Step 3: Cross multiply
    569,741.40x = 853,485.70 × 499,699.80
  4. Step 4: Simplify right side
    569,741.40x = 426,486,633,592.86
  5. Step 5: Solve for x
    x = 426,486,633,592.86/569,741.40
  6. Step 6: Final answer
    x = 748,561.77

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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.