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Finding the Fourth Proportional to 556,237.74, 767,391 and 362,872.77

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Solution

The fourth proportional to 556,237.74, 767,391 and 362,872.77 is: 500,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,237.74 : 767,391 = 362,872.77 : x
  2. Step 2: Convert to fraction form
    556,237.74/767,391 = 362,872.77/x
  3. Step 3: Cross multiply
    556,237.74x = 767,391 × 362,872.77
  4. Step 4: Simplify right side
    556,237.74x = 278,465,297,843.07
  5. Step 5: Solve for x
    x = 278,465,297,843.07/556,237.74
  6. Step 6: Final answer
    x = 500,622.81

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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.