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Finding the Fourth Proportional to 590,467.70, 885,701.55 and 401,510.90

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Solution

The fourth proportional to 590,467.70, 885,701.55 and 401,510.90 is: 602,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,467.70 : 885,701.55 = 401,510.90 : x
  2. Step 2: Convert to fraction form
    590,467.70/885,701.55 = 401,510.90/x
  3. Step 3: Cross multiply
    590,467.70x = 885,701.55 × 401,510.90
  4. Step 4: Simplify right side
    590,467.70x = 355,618,826,471.90
  5. Step 5: Solve for x
    x = 355,618,826,471.90/590,467.70
  6. Step 6: Final answer
    x = 602,266.35

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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.