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Finding the Fourth Proportional to 705,467.91, 973,552.86 and 383,184.30

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Solution

The fourth proportional to 705,467.91, 973,552.86 and 383,184.30 is: 528,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,467.91 : 973,552.86 = 383,184.30 : x
  2. Step 2: Convert to fraction form
    705,467.91/973,552.86 = 383,184.30/x
  3. Step 3: Cross multiply
    705,467.91x = 973,552.86 × 383,184.30
  4. Step 4: Simplify right side
    705,467.91x = 373,050,171,172.10
  5. Step 5: Solve for x
    x = 373,050,171,172.10/705,467.91
  6. Step 6: Final answer
    x = 528,798.21

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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.