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Finding the Fourth Proportional to 366,989.76, 549,707.04 and 277,254.72

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Solution

The fourth proportional to 366,989.76, 549,707.04 and 277,254.72 is: 415,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,989.76 : 549,707.04 = 277,254.72 : x
  2. Step 2: Convert to fraction form
    366,989.76/549,707.04 = 277,254.72/x
  3. Step 3: Cross multiply
    366,989.76x = 549,707.04 × 277,254.72
  4. Step 4: Simplify right side
    366,989.76x = 152,408,871,457.23
  5. Step 5: Solve for x
    x = 152,408,871,457.23/366,989.76
  6. Step 6: Final answer
    x = 415,294.62

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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.