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Finding the Fourth Proportional to 705,470.54, 973,556.69 and 383,186.93

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Solution

The fourth proportional to 705,470.54, 973,556.69 and 383,186.93 is: 528,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,470.54 : 973,556.69 = 383,186.93 : x
  2. Step 2: Convert to fraction form
    705,470.54/973,556.69 = 383,186.93/x
  3. Step 3: Cross multiply
    705,470.54x = 973,556.69 × 383,186.93
  4. Step 4: Simplify right side
    705,470.54x = 373,054,192,438.34
  5. Step 5: Solve for x
    x = 373,054,192,438.34/705,470.54
  6. Step 6: Final answer
    x = 528,801.95

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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.