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Finding the Fourth Proportional to 446,015.45, 615,505.76 and 242,068.19

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Solution

The fourth proportional to 446,015.45, 615,505.76 and 242,068.19 is: 334,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,015.45 : 615,505.76 = 242,068.19 : x
  2. Step 2: Convert to fraction form
    446,015.45/615,505.76 = 242,068.19/x
  3. Step 3: Cross multiply
    446,015.45x = 615,505.76 × 242,068.19
  4. Step 4: Simplify right side
    446,015.45x = 148,994,362,344.46
  5. Step 5: Solve for x
    x = 148,994,362,344.46/446,015.45
  6. Step 6: Final answer
    x = 334,056.50

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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.