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Finding the Fourth Proportional to 553,823.90, 832,469.94 and 365,494.52

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Solution

The fourth proportional to 553,823.90, 832,469.94 and 365,494.52 is: 549,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,823.90 : 832,469.94 = 365,494.52 : x
  2. Step 2: Convert to fraction form
    553,823.90/832,469.94 = 365,494.52/x
  3. Step 3: Cross multiply
    553,823.90x = 832,469.94 × 365,494.52
  4. Step 4: Simplify right side
    553,823.90x = 304,263,201,134.73
  5. Step 5: Solve for x
    x = 304,263,201,134.73/553,823.90
  6. Step 6: Final answer
    x = 549,386.19

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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.