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Finding the Fourth Proportional to 335,783.07, 503,338.05 and 155,994.90

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Solution

The fourth proportional to 335,783.07, 503,338.05 and 155,994.90 is: 233,836.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,783.07 : 503,338.05 = 155,994.90 : x
  2. Step 2: Convert to fraction form
    335,783.07/503,338.05 = 155,994.90/x
  3. Step 3: Cross multiply
    335,783.07x = 503,338.05 × 155,994.90
  4. Step 4: Simplify right side
    335,783.07x = 78,518,168,775.95
  5. Step 5: Solve for x
    x = 78,518,168,775.95/335,783.07
  6. Step 6: Final answer
    x = 233,836.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.