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Finding the Fourth Proportional to 706,048.01, 974,352.62 and 383,758.79

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Solution

The fourth proportional to 706,048.01, 974,352.62 and 383,758.79 is: 529,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,048.01 : 974,352.62 = 383,758.79 : x
  2. Step 2: Convert to fraction form
    706,048.01/974,352.62 = 383,758.79/x
  3. Step 3: Cross multiply
    706,048.01x = 974,352.62 × 383,758.79
  4. Step 4: Simplify right side
    706,048.01x = 373,916,375,693.97
  5. Step 5: Solve for x
    x = 373,916,375,693.97/706,048.01
  6. Step 6: Final answer
    x = 529,590.58

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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.