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Finding the Fourth Proportional to 1,036,764.55, 1,554,913.54 and 371,916.55

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Solution

The fourth proportional to 1,036,764.55, 1,554,913.54 and 371,916.55 is: 557,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,764.55 : 1,554,913.54 = 371,916.55 : x
  2. Step 2: Convert to fraction form
    1,036,764.55/1,554,913.54 = 371,916.55/x
  3. Step 3: Cross multiply
    1,036,764.55x = 1,554,913.54 × 371,916.55
  4. Step 4: Simplify right side
    1,036,764.55x = 578,298,079,345.09
  5. Step 5: Solve for x
    x = 578,298,079,345.09/1,036,764.55
  6. Step 6: Final answer
    x = 557,791.14

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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.