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Finding the Fourth Proportional to 833,645.10, 1,150,415.10 and 471,061.14

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Solution

The fourth proportional to 833,645.10, 1,150,415.10 and 471,061.14 is: 650,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,645.10 : 1,150,415.10 = 471,061.14 : x
  2. Step 2: Convert to fraction form
    833,645.10/1,150,415.10 = 471,061.14/x
  3. Step 3: Cross multiply
    833,645.10x = 1,150,415.10 × 471,061.14
  4. Step 4: Simplify right side
    833,645.10x = 541,915,848,479.21
  5. Step 5: Solve for x
    x = 541,915,848,479.21/833,645.10
  6. Step 6: Final answer
    x = 650,055.82

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Double scale
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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.