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Finding the Fourth Proportional to 590,597.80, 885,896.70 and 235,666.60

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Solution

The fourth proportional to 590,597.80, 885,896.70 and 235,666.60 is: 353,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,597.80 : 885,896.70 = 235,666.60 : x
  2. Step 2: Convert to fraction form
    590,597.80/885,896.70 = 235,666.60/x
  3. Step 3: Cross multiply
    590,597.80x = 885,896.70 × 235,666.60
  4. Step 4: Simplify right side
    590,597.80x = 208,776,263,240.22
  5. Step 5: Solve for x
    x = 208,776,263,240.22/590,597.80
  6. Step 6: Final answer
    x = 353,499.90

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Double scale
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Similar ratio
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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.