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Finding the Fourth Proportional to 589,533.80, 884,300.70 and 339,924.20

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Solution

The fourth proportional to 589,533.80, 884,300.70 and 339,924.20 is: 509,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,533.80 : 884,300.70 = 339,924.20 : x
  2. Step 2: Convert to fraction form
    589,533.80/884,300.70 = 339,924.20/x
  3. Step 3: Cross multiply
    589,533.80x = 884,300.70 × 339,924.20
  4. Step 4: Simplify right side
    589,533.80x = 300,595,208,006.94
  5. Step 5: Solve for x
    x = 300,595,208,006.94/589,533.80
  6. Step 6: Final answer
    x = 509,886.30

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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.