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Finding the Fourth Proportional to 446,025.95, 615,521.71 and 242,079.32

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Solution

The fourth proportional to 446,025.95, 615,521.71 and 242,079.32 is: 334,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,025.95 : 615,521.71 = 242,079.32 : x
  2. Step 2: Convert to fraction form
    446,025.95/615,521.71 = 242,079.32/x
  3. Step 3: Cross multiply
    446,025.95x = 615,521.71 × 242,079.32
  4. Step 4: Simplify right side
    446,025.95x = 149,005,074,227.03
  5. Step 5: Solve for x
    x = 149,005,074,227.03/446,025.95
  6. Step 6: Final answer
    x = 334,072.66

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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.