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Finding the Fourth Proportional to 559,207.60, 838,592.70 and 204,038.80

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Solution

The fourth proportional to 559,207.60, 838,592.70 and 204,038.80 is: 305,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,207.60 : 838,592.70 = 204,038.80 : x
  2. Step 2: Convert to fraction form
    559,207.60/838,592.70 = 204,038.80/x
  3. Step 3: Cross multiply
    559,207.60x = 838,592.70 × 204,038.80
  4. Step 4: Simplify right side
    559,207.60x = 171,105,448,196.76
  5. Step 5: Solve for x
    x = 171,105,448,196.76/559,207.60
  6. Step 6: Final answer
    x = 305,978.40

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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.