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Finding the Fourth Proportional to 617,109.90, 850,089.48 and 526,169.58

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Solution

The fourth proportional to 617,109.90, 850,089.48 and 526,169.58 is: 724,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,109.90 : 850,089.48 = 526,169.58 : x
  2. Step 2: Convert to fraction form
    617,109.90/850,089.48 = 526,169.58/x
  3. Step 3: Cross multiply
    617,109.90x = 850,089.48 × 526,169.58
  4. Step 4: Simplify right side
    617,109.90x = 447,291,224,654.02
  5. Step 5: Solve for x
    x = 447,291,224,654.02/617,109.90
  6. Step 6: Final answer
    x = 724,816.15

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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.