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Finding the Fourth Proportional to 673,461.63, 929,339.81 and 383,033.96

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Solution

The fourth proportional to 673,461.63, 929,339.81 and 383,033.96 is: 528,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,461.63 : 929,339.81 = 383,033.96 : x
  2. Step 2: Convert to fraction form
    673,461.63/929,339.81 = 383,033.96/x
  3. Step 3: Cross multiply
    673,461.63x = 929,339.81 × 383,033.96
  4. Step 4: Simplify right side
    673,461.63x = 355,968,701,048.08
  5. Step 5: Solve for x
    x = 355,968,701,048.08/673,461.63
  6. Step 6: Final answer
    x = 528,565.68

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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.