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Finding the Fourth Proportional to 746,428, 1,030,033.28 and 424,095.52

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Solution

The fourth proportional to 746,428, 1,030,033.28 and 424,095.52 is: 585,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,428 : 1,030,033.28 = 424,095.52 : x
  2. Step 2: Convert to fraction form
    746,428/1,030,033.28 = 424,095.52/x
  3. Step 3: Cross multiply
    746,428x = 1,030,033.28 × 424,095.52
  4. Step 4: Simplify right side
    746,428x = 436,832,499,498.91
  5. Step 5: Solve for x
    x = 436,832,499,498.91/746,428
  6. Step 6: Final answer
    x = 585,230.59

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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.