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Finding the Fourth Proportional to 447,595.07, 617,811.63 and 292,568.89

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Solution

The fourth proportional to 447,595.07, 617,811.63 and 292,568.89 is: 403,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,595.07 : 617,811.63 = 292,568.89 : x
  2. Step 2: Convert to fraction form
    447,595.07/617,811.63 = 292,568.89/x
  3. Step 3: Cross multiply
    447,595.07x = 617,811.63 × 292,568.89
  4. Step 4: Simplify right side
    447,595.07x = 180,752,460,420.18
  5. Step 5: Solve for x
    x = 180,752,460,420.18/447,595.07
  6. Step 6: Final answer
    x = 403,830.32

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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.