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Finding the Fourth Proportional to 342,959.20, 473,283.60 and 190,007.32

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Solution

The fourth proportional to 342,959.20, 473,283.60 and 190,007.32 is: 262,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,959.20 : 473,283.60 = 190,007.32 : x
  2. Step 2: Convert to fraction form
    342,959.20/473,283.60 = 190,007.32/x
  3. Step 3: Cross multiply
    342,959.20x = 473,283.60 × 190,007.32
  4. Step 4: Simplify right side
    342,959.20x = 89,927,348,435.95
  5. Step 5: Solve for x
    x = 89,927,348,435.95/342,959.20
  6. Step 6: Final answer
    x = 262,210.05

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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.