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Finding the Fourth Proportional to 404,858.60, 607,547.10 and 236,378.60

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Solution

The fourth proportional to 404,858.60, 607,547.10 and 236,378.60 is: 354,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,858.60 : 607,547.10 = 236,378.60 : x
  2. Step 2: Convert to fraction form
    404,858.60/607,547.10 = 236,378.60/x
  3. Step 3: Cross multiply
    404,858.60x = 607,547.10 × 236,378.60
  4. Step 4: Simplify right side
    404,858.60x = 143,611,132,932.06
  5. Step 5: Solve for x
    x = 143,611,132,932.06/404,858.60
  6. Step 6: Final answer
    x = 354,719.24

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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.