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Finding the Fourth Proportional to 993,562.56, 1,489,445.04 and 362,328.48

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Solution

The fourth proportional to 993,562.56, 1,489,445.04 and 362,328.48 is: 543,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,562.56 : 1,489,445.04 = 362,328.48 : x
  2. Step 2: Convert to fraction form
    993,562.56/1,489,445.04 = 362,328.48/x
  3. Step 3: Cross multiply
    993,562.56x = 1,489,445.04 × 362,328.48
  4. Step 4: Simplify right side
    993,562.56x = 539,668,357,386.74
  5. Step 5: Solve for x
    x = 539,668,357,386.74/993,562.56
  6. Step 6: Final answer
    x = 543,164.95

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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.