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Finding the Fourth Proportional to 554,807.70, 832,539.60 and 365,814.45

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Solution

The fourth proportional to 554,807.70, 832,539.60 and 365,814.45 is: 548,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,807.70 : 832,539.60 = 365,814.45 : x
  2. Step 2: Convert to fraction form
    554,807.70/832,539.60 = 365,814.45/x
  3. Step 3: Cross multiply
    554,807.70x = 832,539.60 × 365,814.45
  4. Step 4: Simplify right side
    554,807.70x = 304,555,015,877.22
  5. Step 5: Solve for x
    x = 304,555,015,877.22/554,807.70
  6. Step 6: Final answer
    x = 548,937.98

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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.