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Finding the Fourth Proportional to 404,988.80, 607,483.20 and 227,501.60

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Solution

The fourth proportional to 404,988.80, 607,483.20 and 227,501.60 is: 341,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,988.80 : 607,483.20 = 227,501.60 : x
  2. Step 2: Convert to fraction form
    404,988.80/607,483.20 = 227,501.60/x
  3. Step 3: Cross multiply
    404,988.80x = 607,483.20 × 227,501.60
  4. Step 4: Simplify right side
    404,988.80x = 138,203,399,973.12
  5. Step 5: Solve for x
    x = 138,203,399,973.12/404,988.80
  6. Step 6: Final answer
    x = 341,252.40

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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.