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Finding the Fourth Proportional to 372,488.16, 559,017.36 and 264,409.86

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Solution

The fourth proportional to 372,488.16, 559,017.36 and 264,409.86 is: 396,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,488.16 : 559,017.36 = 264,409.86 : x
  2. Step 2: Convert to fraction form
    372,488.16/559,017.36 = 264,409.86/x
  3. Step 3: Cross multiply
    372,488.16x = 559,017.36 × 264,409.86
  4. Step 4: Simplify right side
    372,488.16x = 147,809,701,895.17
  5. Step 5: Solve for x
    x = 147,809,701,895.17/372,488.16
  6. Step 6: Final answer
    x = 396,817.18

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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.