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Finding the Fourth Proportional to 588,259.80, 882,389.70 and 288,932.40

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Solution

The fourth proportional to 588,259.80, 882,389.70 and 288,932.40 is: 433,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,259.80 : 882,389.70 = 288,932.40 : x
  2. Step 2: Convert to fraction form
    588,259.80/882,389.70 = 288,932.40/x
  3. Step 3: Cross multiply
    588,259.80x = 882,389.70 × 288,932.40
  4. Step 4: Simplify right side
    588,259.80x = 254,950,973,756.28
  5. Step 5: Solve for x
    x = 254,950,973,756.28/588,259.80
  6. Step 6: Final answer
    x = 433,398.60

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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.