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Finding the Fourth Proportional to 433,068.88, 597,743.40 and 346,690.48

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Solution

The fourth proportional to 433,068.88, 597,743.40 and 346,690.48 is: 478,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,068.88 : 597,743.40 = 346,690.48 : x
  2. Step 2: Convert to fraction form
    433,068.88/597,743.40 = 346,690.48/x
  3. Step 3: Cross multiply
    433,068.88x = 597,743.40 × 346,690.48
  4. Step 4: Simplify right side
    433,068.88x = 207,231,946,262.83
  5. Step 5: Solve for x
    x = 207,231,946,262.83/433,068.88
  6. Step 6: Final answer
    x = 478,519.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.