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Finding the Fourth Proportional to 594,711.40, 820,702.50 and 322,779.26

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Solution

The fourth proportional to 594,711.40, 820,702.50 and 322,779.26 is: 445,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,711.40 : 820,702.50 = 322,779.26 : x
  2. Step 2: Convert to fraction form
    594,711.40/820,702.50 = 322,779.26/x
  3. Step 3: Cross multiply
    594,711.40x = 820,702.50 × 322,779.26
  4. Step 4: Simplify right side
    594,711.40x = 264,905,744,016.25
  5. Step 5: Solve for x
    x = 264,905,744,016.25/594,711.40
  6. Step 6: Final answer
    x = 445,435.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.