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Finding the Fourth Proportional to 461,829.60, 637,765 and 436,669.54

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Solution

The fourth proportional to 461,829.60, 637,765 and 436,669.54 is: 603,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,829.60 : 637,765 = 436,669.54 : x
  2. Step 2: Convert to fraction form
    461,829.60/637,765 = 436,669.54/x
  3. Step 3: Cross multiply
    461,829.60x = 637,765 × 436,669.54
  4. Step 4: Simplify right side
    461,829.60x = 278,492,549,178.10
  5. Step 5: Solve for x
    x = 278,492,549,178.10/461,829.60
  6. Step 6: Final answer
    x = 603,020.14

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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.