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Finding the Fourth Proportional to 590,521.60, 885,782.40 and 401,564.80

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Solution

The fourth proportional to 590,521.60, 885,782.40 and 401,564.80 is: 602,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,521.60 : 885,782.40 = 401,564.80 : x
  2. Step 2: Convert to fraction form
    590,521.60/885,782.40 = 401,564.80/x
  3. Step 3: Cross multiply
    590,521.60x = 885,782.40 × 401,564.80
  4. Step 4: Simplify right side
    590,521.60x = 355,699,032,299.52
  5. Step 5: Solve for x
    x = 355,699,032,299.52/590,521.60
  6. Step 6: Final answer
    x = 602,347.20

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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.