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Finding the Fourth Proportional to 934,232.80, 1,400,830.80 and 401,663.20

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Solution

The fourth proportional to 934,232.80, 1,400,830.80 and 401,663.20 is: 602,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,232.80 : 1,400,830.80 = 401,663.20 : x
  2. Step 2: Convert to fraction form
    934,232.80/1,400,830.80 = 401,663.20/x
  3. Step 3: Cross multiply
    934,232.80x = 1,400,830.80 × 401,663.20
  4. Step 4: Simplify right side
    934,232.80x = 562,662,181,786.56
  5. Step 5: Solve for x
    x = 562,662,181,786.56/934,232.80
  6. Step 6: Final answer
    x = 602,271.92

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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.