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Finding the Fourth Proportional to 673,612.40, 929,607.62 and 367,706.91

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Solution

The fourth proportional to 673,612.40, 929,607.62 and 367,706.91 is: 507,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,612.40 : 929,607.62 = 367,706.91 : x
  2. Step 2: Convert to fraction form
    673,612.40/929,607.62 = 367,706.91/x
  3. Step 3: Cross multiply
    673,612.40x = 929,607.62 × 367,706.91
  4. Step 4: Simplify right side
    673,612.40x = 341,823,145,462.65
  5. Step 5: Solve for x
    x = 341,823,145,462.65/673,612.40
  6. Step 6: Final answer
    x = 507,447.82

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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.