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Finding the Fourth Proportional to 299,075.60, 448,613.40 and 232,720.40

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Solution

The fourth proportional to 299,075.60, 448,613.40 and 232,720.40 is: 349,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,075.60 : 448,613.40 = 232,720.40 : x
  2. Step 2: Convert to fraction form
    299,075.60/448,613.40 = 232,720.40/x
  3. Step 3: Cross multiply
    299,075.60x = 448,613.40 × 232,720.40
  4. Step 4: Simplify right side
    299,075.60x = 104,401,489,893.36
  5. Step 5: Solve for x
    x = 104,401,489,893.36/299,075.60
  6. Step 6: Final answer
    x = 349,080.60

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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.