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Finding the Fourth Proportional to 851,595, 1,277,392.71 and 346,430.81

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Solution

The fourth proportional to 851,595, 1,277,392.71 and 346,430.81 is: 519,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,595 : 1,277,392.71 = 346,430.81 : x
  2. Step 2: Convert to fraction form
    851,595/1,277,392.71 = 346,430.81/x
  3. Step 3: Cross multiply
    851,595x = 1,277,392.71 × 346,430.81
  4. Step 4: Simplify right side
    851,595x = 442,528,191,213.40
  5. Step 5: Solve for x
    x = 442,528,191,213.40/851,595
  6. Step 6: Final answer
    x = 519,646.30

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Similar ratio
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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.