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Finding the Fourth Proportional to 450,435.68, 621,595.86 and 246,484.40

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Solution

The fourth proportional to 450,435.68, 621,595.86 and 246,484.40 is: 340,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,435.68 : 621,595.86 = 246,484.40 : x
  2. Step 2: Convert to fraction form
    450,435.68/621,595.86 = 246,484.40/x
  3. Step 3: Cross multiply
    450,435.68x = 621,595.86 × 246,484.40
  4. Step 4: Simplify right side
    450,435.68x = 153,213,682,594.58
  5. Step 5: Solve for x
    x = 153,213,682,594.58/450,435.68
  6. Step 6: Final answer
    x = 340,145.53

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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.