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Finding the Fourth Proportional to 411,444.74, 617,210.86 and 111,930.24

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Solution

The fourth proportional to 411,444.74, 617,210.86 and 111,930.24 is: 167,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,444.74 : 617,210.86 = 111,930.24 : x
  2. Step 2: Convert to fraction form
    411,444.74/617,210.86 = 111,930.24/x
  3. Step 3: Cross multiply
    411,444.74x = 617,210.86 × 111,930.24
  4. Step 4: Simplify right side
    411,444.74x = 69,084,559,690.41
  5. Step 5: Solve for x
    x = 69,084,559,690.41/411,444.74
  6. Step 6: Final answer
    x = 167,907.26

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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.