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Finding the Fourth Proportional to 644,673.60, 967,010.40 and 589,561.20

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Solution

The fourth proportional to 644,673.60, 967,010.40 and 589,561.20 is: 884,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,673.60 : 967,010.40 = 589,561.20 : x
  2. Step 2: Convert to fraction form
    644,673.60/967,010.40 = 589,561.20/x
  3. Step 3: Cross multiply
    644,673.60x = 967,010.40 × 589,561.20
  4. Step 4: Simplify right side
    644,673.60x = 570,111,811,836.48
  5. Step 5: Solve for x
    x = 570,111,811,836.48/644,673.60
  6. Step 6: Final answer
    x = 884,341.80

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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.