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Finding the Fourth Proportional to 247,075.40, 370,613.10 and 69,588.20

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Solution

The fourth proportional to 247,075.40, 370,613.10 and 69,588.20 is: 104,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,075.40 : 370,613.10 = 69,588.20 : x
  2. Step 2: Convert to fraction form
    247,075.40/370,613.10 = 69,588.20/x
  3. Step 3: Cross multiply
    247,075.40x = 370,613.10 × 69,588.20
  4. Step 4: Simplify right side
    247,075.40x = 25,790,298,525.42
  5. Step 5: Solve for x
    x = 25,790,298,525.42/247,075.40
  6. Step 6: Final answer
    x = 104,382.30

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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.