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Finding the Fourth Proportional to 705,462.66, 973,545.62 and 383,179.06

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Solution

The fourth proportional to 705,462.66, 973,545.62 and 383,179.06 is: 528,790.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,462.66 : 973,545.62 = 383,179.06 : x
  2. Step 2: Convert to fraction form
    705,462.66/973,545.62 = 383,179.06/x
  3. Step 3: Cross multiply
    705,462.66x = 973,545.62 × 383,179.06
  4. Step 4: Simplify right side
    705,462.66x = 373,042,295,538.72
  5. Step 5: Solve for x
    x = 373,042,295,538.72/705,462.66
  6. Step 6: Final answer
    x = 528,790.99

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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.