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Finding the Fourth Proportional to 537,774.08, 805,773.60 and 312,502.16

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Solution

The fourth proportional to 537,774.08, 805,773.60 and 312,502.16 is: 468,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,774.08 : 805,773.60 = 312,502.16 : x
  2. Step 2: Convert to fraction form
    537,774.08/805,773.60 = 312,502.16/x
  3. Step 3: Cross multiply
    537,774.08x = 805,773.60 × 312,502.16
  4. Step 4: Simplify right side
    537,774.08x = 251,805,990,470.98
  5. Step 5: Solve for x
    x = 251,805,990,470.98/537,774.08
  6. Step 6: Final answer
    x = 468,237.50

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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.