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Finding the Fourth Proportional to 565,931.80, 848,897.70 and 266,312.80

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Solution

The fourth proportional to 565,931.80, 848,897.70 and 266,312.80 is: 399,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,931.80 : 848,897.70 = 266,312.80 : x
  2. Step 2: Convert to fraction form
    565,931.80/848,897.70 = 266,312.80/x
  3. Step 3: Cross multiply
    565,931.80x = 848,897.70 × 266,312.80
  4. Step 4: Simplify right side
    565,931.80x = 226,072,323,400.56
  5. Step 5: Solve for x
    x = 226,072,323,400.56/565,931.80
  6. Step 6: Final answer
    x = 399,469.20

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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.