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Finding the Fourth Proportional to 589,312.90, 883,969.35 and 195,328.90

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Solution

The fourth proportional to 589,312.90, 883,969.35 and 195,328.90 is: 292,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,312.90 : 883,969.35 = 195,328.90 : x
  2. Step 2: Convert to fraction form
    589,312.90/883,969.35 = 195,328.90/x
  3. Step 3: Cross multiply
    589,312.90x = 883,969.35 × 195,328.90
  4. Step 4: Simplify right side
    589,312.90x = 172,664,760,769.22
  5. Step 5: Solve for x
    x = 172,664,760,769.22/589,312.90
  6. Step 6: Final answer
    x = 292,993.35

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Double scale
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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.