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Finding the Fourth Proportional to 404,615.80, 607,142.40 and 180,010.90

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Solution

The fourth proportional to 404,615.80, 607,142.40 and 180,010.90 is: 270,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,615.80 : 607,142.40 = 180,010.90 : x
  2. Step 2: Convert to fraction form
    404,615.80/607,142.40 = 180,010.90/x
  3. Step 3: Cross multiply
    404,615.80x = 607,142.40 × 180,010.90
  4. Step 4: Simplify right side
    404,615.80x = 109,292,249,852.16
  5. Step 5: Solve for x
    x = 109,292,249,852.16/404,615.80
  6. Step 6: Final answer
    x = 270,113.65

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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.