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Finding the Fourth Proportional to 243,796.40, 364,981.80 and 173,812.40

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Solution

The fourth proportional to 243,796.40, 364,981.80 and 173,812.40 is: 260,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,796.40 : 364,981.80 = 173,812.40 : x
  2. Step 2: Convert to fraction form
    243,796.40/364,981.80 = 173,812.40/x
  3. Step 3: Cross multiply
    243,796.40x = 364,981.80 × 173,812.40
  4. Step 4: Simplify right side
    243,796.40x = 63,438,362,614.32
  5. Step 5: Solve for x
    x = 63,438,362,614.32/243,796.40
  6. Step 6: Final answer
    x = 260,210.42

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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.