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Finding the Fourth Proportional to 612,737.04, 845,231.99 and 367,658.45

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Solution

The fourth proportional to 612,737.04, 845,231.99 and 367,658.45 is: 507,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,737.04 : 845,231.99 = 367,658.45 : x
  2. Step 2: Convert to fraction form
    612,737.04/845,231.99 = 367,658.45/x
  3. Step 3: Cross multiply
    612,737.04x = 845,231.99 × 367,658.45
  4. Step 4: Simplify right side
    612,737.04x = 310,756,681,495.52
  5. Step 5: Solve for x
    x = 310,756,681,495.52/612,737.04
  6. Step 6: Final answer
    x = 507,161.57

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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.