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Finding the Fourth Proportional to 648,806.32, 895,366.16 and 362,326.68

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Solution

The fourth proportional to 648,806.32, 895,366.16 and 362,326.68 is: 500,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,806.32 : 895,366.16 = 362,326.68 : x
  2. Step 2: Convert to fraction form
    648,806.32/895,366.16 = 362,326.68/x
  3. Step 3: Cross multiply
    648,806.32x = 895,366.16 × 362,326.68
  4. Step 4: Simplify right side
    648,806.32x = 324,415,048,137.15
  5. Step 5: Solve for x
    x = 324,415,048,137.15/648,806.32
  6. Step 6: Final answer
    x = 500,018.32

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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.