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Finding the Fourth Proportional to 301,504.32, 416,080.80 and 174,191.04

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Solution

The fourth proportional to 301,504.32, 416,080.80 and 174,191.04 is: 240,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,504.32 : 416,080.80 = 174,191.04 : x
  2. Step 2: Convert to fraction form
    301,504.32/416,080.80 = 174,191.04/x
  3. Step 3: Cross multiply
    301,504.32x = 416,080.80 × 174,191.04
  4. Step 4: Simplify right side
    301,504.32x = 72,477,547,276.03
  5. Step 5: Solve for x
    x = 72,477,547,276.03/301,504.32
  6. Step 6: Final answer
    x = 240,386.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.