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Finding the Fourth Proportional to 371,259.90, 556,889.22 and 134,602.20

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Solution

The fourth proportional to 371,259.90, 556,889.22 and 134,602.20 is: 201,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,259.90 : 556,889.22 = 134,602.20 : x
  2. Step 2: Convert to fraction form
    371,259.90/556,889.22 = 134,602.20/x
  3. Step 3: Cross multiply
    371,259.90x = 556,889.22 × 134,602.20
  4. Step 4: Simplify right side
    371,259.90x = 74,958,514,168.28
  5. Step 5: Solve for x
    x = 74,958,514,168.28/371,259.90
  6. Step 6: Final answer
    x = 201,903.07

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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.