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Finding the Fourth Proportional to 554,690.70, 832,364.10 and 365,697.45

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Solution

The fourth proportional to 554,690.70, 832,364.10 and 365,697.45 is: 548,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,690.70 : 832,364.10 = 365,697.45 : x
  2. Step 2: Convert to fraction form
    554,690.70/832,364.10 = 365,697.45/x
  3. Step 3: Cross multiply
    554,690.70x = 832,364.10 × 365,697.45
  4. Step 4: Simplify right side
    554,690.70x = 304,393,428,841.55
  5. Step 5: Solve for x
    x = 304,393,428,841.55/554,690.70
  6. Step 6: Final answer
    x = 548,762.45

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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.