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Finding the Fourth Proportional to 446,419.20, 623,587.20 and 446,419.20

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Solution

The fourth proportional to 446,419.20, 623,587.20 and 446,419.20 is: 623,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,419.20 : 623,587.20 = 446,419.20 : x
  2. Step 2: Convert to fraction form
    446,419.20/623,587.20 = 446,419.20/x
  3. Step 3: Cross multiply
    446,419.20x = 623,587.20 × 446,419.20
  4. Step 4: Simplify right side
    446,419.20x = 278,381,298,954.24
  5. Step 5: Solve for x
    x = 278,381,298,954.24/446,419.20
  6. Step 6: Final answer
    x = 623,587.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.