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Finding the Fourth Proportional to 423,511.08, 632,220.24 and 362,886.72

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Solution

The fourth proportional to 423,511.08, 632,220.24 and 362,886.72 is: 541,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,511.08 : 632,220.24 = 362,886.72 : x
  2. Step 2: Convert to fraction form
    423,511.08/632,220.24 = 362,886.72/x
  3. Step 3: Cross multiply
    423,511.08x = 632,220.24 × 362,886.72
  4. Step 4: Simplify right side
    423,511.08x = 229,424,329,211.21
  5. Step 5: Solve for x
    x = 229,424,329,211.21/423,511.08
  6. Step 6: Final answer
    x = 541,719.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.