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Finding the Fourth Proportional to 652,815.25, 900,837.15 and 362,443.61

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Solution

The fourth proportional to 652,815.25, 900,837.15 and 362,443.61 is: 500,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,815.25 : 900,837.15 = 362,443.61 : x
  2. Step 2: Convert to fraction form
    652,815.25/900,837.15 = 362,443.61/x
  3. Step 3: Cross multiply
    652,815.25x = 900,837.15 × 362,443.61
  4. Step 4: Simplify right side
    652,815.25x = 326,502,669,561.04
  5. Step 5: Solve for x
    x = 326,502,669,561.04/652,815.25
  6. Step 6: Final answer
    x = 500,145.59

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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.