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Finding the Fourth Proportional to 653,081.19, 901,170.42 and 362,653.26

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Solution

The fourth proportional to 653,081.19, 901,170.42 and 362,653.26 is: 500,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,081.19 : 901,170.42 = 362,653.26 : x
  2. Step 2: Convert to fraction form
    653,081.19/901,170.42 = 362,653.26/x
  3. Step 3: Cross multiply
    653,081.19x = 901,170.42 × 362,653.26
  4. Step 4: Simplify right side
    653,081.19x = 326,812,390,628.57
  5. Step 5: Solve for x
    x = 326,812,390,628.57/653,081.19
  6. Step 6: Final answer
    x = 500,416.17

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Double scale
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Similar ratio
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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.