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Finding the Fourth Proportional to 439,017.36, 657,451.24 and 362,648.64

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Solution

The fourth proportional to 439,017.36, 657,451.24 and 362,648.64 is: 543,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,017.36 : 657,451.24 = 362,648.64 : x
  2. Step 2: Convert to fraction form
    439,017.36/657,451.24 = 362,648.64/x
  3. Step 3: Cross multiply
    439,017.36x = 657,451.24 × 362,648.64
  4. Step 4: Simplify right side
    439,017.36x = 238,423,798,052.31
  5. Step 5: Solve for x
    x = 238,423,798,052.31/439,017.36
  6. Step 6: Final answer
    x = 543,085.13

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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.