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Finding the Fourth Proportional to 341,328.72, 471,030.35 and 188,368.32

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Solution

The fourth proportional to 341,328.72, 471,030.35 and 188,368.32 is: 259,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,328.72 : 471,030.35 = 188,368.32 : x
  2. Step 2: Convert to fraction form
    341,328.72/471,030.35 = 188,368.32/x
  3. Step 3: Cross multiply
    341,328.72x = 471,030.35 × 188,368.32
  4. Step 4: Simplify right side
    341,328.72x = 88,727,194,756.67
  5. Step 5: Solve for x
    x = 88,727,194,756.67/341,328.72
  6. Step 6: Final answer
    x = 259,946.47

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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.