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Finding the Fourth Proportional to 528,381.63, 792,702.05 and 247,570.83

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Solution

The fourth proportional to 528,381.63, 792,702.05 and 247,570.83 is: 371,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,381.63 : 792,702.05 = 247,570.83 : x
  2. Step 2: Convert to fraction form
    528,381.63/792,702.05 = 247,570.83/x
  3. Step 3: Cross multiply
    528,381.63x = 792,702.05 × 247,570.83
  4. Step 4: Simplify right side
    528,381.63x = 196,249,903,223.35
  5. Step 5: Solve for x
    x = 196,249,903,223.35/528,381.63
  6. Step 6: Final answer
    x = 371,416.97

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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.