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Finding the Fourth Proportional to 573,032.98, 790,790.20 and 358,297.53

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Solution

The fourth proportional to 573,032.98, 790,790.20 and 358,297.53 is: 494,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,032.98 : 790,790.20 = 358,297.53 : x
  2. Step 2: Convert to fraction form
    573,032.98/790,790.20 = 358,297.53/x
  3. Step 3: Cross multiply
    573,032.98x = 790,790.20 × 358,297.53
  4. Step 4: Simplify right side
    573,032.98x = 283,338,171,547.00
  5. Step 5: Solve for x
    x = 283,338,171,547.00/573,032.98
  6. Step 6: Final answer
    x = 494,453.51

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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.