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Finding the Fourth Proportional to 606,415.10, 909,039.45 and 471,404.30

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Solution

The fourth proportional to 606,415.10, 909,039.45 and 471,404.30 is: 706,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,415.10 : 909,039.45 = 471,404.30 : x
  2. Step 2: Convert to fraction form
    606,415.10/909,039.45 = 471,404.30/x
  3. Step 3: Cross multiply
    606,415.10x = 909,039.45 × 471,404.30
  4. Step 4: Simplify right side
    606,415.10x = 428,525,105,599.64
  5. Step 5: Solve for x
    x = 428,525,105,599.64/606,415.10
  6. Step 6: Final answer
    x = 706,653.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.