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Finding the Fourth Proportional to 345,779.63, 477,184.32 and 192,816.32

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Solution

The fourth proportional to 345,779.63, 477,184.32 and 192,816.32 is: 266,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,779.63 : 477,184.32 = 192,816.32 : x
  2. Step 2: Convert to fraction form
    345,779.63/477,184.32 = 192,816.32/x
  3. Step 3: Cross multiply
    345,779.63x = 477,184.32 × 192,816.32
  4. Step 4: Simplify right side
    345,779.63x = 92,008,925,737.06
  5. Step 5: Solve for x
    x = 92,008,925,737.06/345,779.63
  6. Step 6: Final answer
    x = 266,091.23

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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.