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Finding the Fourth Proportional to 705,360, 973,396.56 and 383,070.18

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Solution

The fourth proportional to 705,360, 973,396.56 and 383,070.18 is: 528,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,360 : 973,396.56 = 383,070.18 : x
  2. Step 2: Convert to fraction form
    705,360/973,396.56 = 383,070.18/x
  3. Step 3: Cross multiply
    705,360x = 973,396.56 × 383,070.18
  4. Step 4: Simplify right side
    705,360x = 372,879,195,450.58
  5. Step 5: Solve for x
    x = 372,879,195,450.58/705,360
  6. Step 6: Final answer
    x = 528,636.72

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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.