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Finding the Fourth Proportional to 228,158.70, 314,210.43 and 223,274.22

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Solution

The fourth proportional to 228,158.70, 314,210.43 and 223,274.22 is: 307,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,158.70 : 314,210.43 = 223,274.22 : x
  2. Step 2: Convert to fraction form
    228,158.70/314,210.43 = 223,274.22/x
  3. Step 3: Cross multiply
    228,158.70x = 314,210.43 × 223,274.22
  4. Step 4: Simplify right side
    228,158.70x = 70,155,088,674.11
  5. Step 5: Solve for x
    x = 70,155,088,674.11/228,158.70
  6. Step 6: Final answer
    x = 307,483.73

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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.