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Finding the Fourth Proportional to 605,312.55, 907,966.40 and 184,587.21

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Solution

The fourth proportional to 605,312.55, 907,966.40 and 184,587.21 is: 276,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,312.55 : 907,966.40 = 184,587.21 : x
  2. Step 2: Convert to fraction form
    605,312.55/907,966.40 = 184,587.21/x
  3. Step 3: Cross multiply
    605,312.55x = 907,966.40 × 184,587.21
  4. Step 4: Simplify right side
    605,312.55x = 167,598,983,626.81
  5. Step 5: Solve for x
    x = 167,598,983,626.81/605,312.55
  6. Step 6: Final answer
    x = 276,880.07

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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.