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Finding the Fourth Proportional to 346,211.60, 519,317.40 and 228,016.40

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Solution

The fourth proportional to 346,211.60, 519,317.40 and 228,016.40 is: 342,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,211.60 : 519,317.40 = 228,016.40 : x
  2. Step 2: Convert to fraction form
    346,211.60/519,317.40 = 228,016.40/x
  3. Step 3: Cross multiply
    346,211.60x = 519,317.40 × 228,016.40
  4. Step 4: Simplify right side
    346,211.60x = 118,412,884,005.36
  5. Step 5: Solve for x
    x = 118,412,884,005.36/346,211.60
  6. Step 6: Final answer
    x = 342,024.60

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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.