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Finding the Fourth Proportional to 589,813.80, 885,376.80 and 365,427.60

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Solution

The fourth proportional to 589,813.80, 885,376.80 and 365,427.60 is: 548,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,813.80 : 885,376.80 = 365,427.60 : x
  2. Step 2: Convert to fraction form
    589,813.80/885,376.80 = 365,427.60/x
  3. Step 3: Cross multiply
    589,813.80x = 885,376.80 × 365,427.60
  4. Step 4: Simplify right side
    589,813.80x = 323,541,119,119.68
  5. Step 5: Solve for x
    x = 323,541,119,119.68/589,813.80
  6. Step 6: Final answer
    x = 548,547.90

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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.