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Finding the Fourth Proportional to 504,075.60, 756,113.40 and 448,963.20

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Solution

The fourth proportional to 504,075.60, 756,113.40 and 448,963.20 is: 673,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,075.60 : 756,113.40 = 448,963.20 : x
  2. Step 2: Convert to fraction form
    504,075.60/756,113.40 = 448,963.20/x
  3. Step 3: Cross multiply
    504,075.60x = 756,113.40 × 448,963.20
  4. Step 4: Simplify right side
    504,075.60x = 339,467,091,626.88
  5. Step 5: Solve for x
    x = 339,467,091,626.88/504,075.60
  6. Step 6: Final answer
    x = 673,444.80

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Similar ratio
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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.