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Finding the Fourth Proportional to 583,450.40, 874,009.20 and 333,840.80

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Solution

The fourth proportional to 583,450.40, 874,009.20 and 333,840.80 is: 500,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,450.40 : 874,009.20 = 333,840.80 : x
  2. Step 2: Convert to fraction form
    583,450.40/874,009.20 = 333,840.80/x
  3. Step 3: Cross multiply
    583,450.40x = 874,009.20 × 333,840.80
  4. Step 4: Simplify right side
    583,450.40x = 291,779,930,535.36
  5. Step 5: Solve for x
    x = 291,779,930,535.36/583,450.40
  6. Step 6: Final answer
    x = 500,093.80

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1.5x scale

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.