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Finding the Fourth Proportional to 633,546.83, 874,075.52 and 480,425.51

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Solution

The fourth proportional to 633,546.83, 874,075.52 and 480,425.51 is: 662,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,546.83 : 874,075.52 = 480,425.51 : x
  2. Step 2: Convert to fraction form
    633,546.83/874,075.52 = 480,425.51/x
  3. Step 3: Cross multiply
    633,546.83x = 874,075.52 × 480,425.51
  4. Step 4: Simplify right side
    633,546.83x = 419,928,170,702.01
  5. Step 5: Solve for x
    x = 419,928,170,702.01/633,546.83
  6. Step 6: Final answer
    x = 662,821.05

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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.