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Finding the Fourth Proportional to 403,488, 556,813.44 and 224,682.24

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Solution

The fourth proportional to 403,488, 556,813.44 and 224,682.24 is: 310,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,488 : 556,813.44 = 224,682.24 : x
  2. Step 2: Convert to fraction form
    403,488/556,813.44 = 224,682.24/x
  3. Step 3: Cross multiply
    403,488x = 556,813.44 × 224,682.24
  4. Step 4: Simplify right side
    403,488x = 125,106,090,961.31
  5. Step 5: Solve for x
    x = 125,106,090,961.31/403,488
  6. Step 6: Final answer
    x = 310,061.49

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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.