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Finding the Fourth Proportional to 583,541.70, 805,519.44 and 501,545.40

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Solution

The fourth proportional to 583,541.70, 805,519.44 and 501,545.40 is: 692,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,541.70 : 805,519.44 = 501,545.40 : x
  2. Step 2: Convert to fraction form
    583,541.70/805,519.44 = 501,545.40/x
  3. Step 3: Cross multiply
    583,541.70x = 805,519.44 × 501,545.40
  4. Step 4: Simplify right side
    583,541.70x = 404,004,569,742.58
  5. Step 5: Solve for x
    x = 404,004,569,742.58/583,541.70
  6. Step 6: Final answer
    x = 692,331.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.