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Finding the Fourth Proportional to 583,551.96, 805,301.03 and 315,279.96

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Solution

The fourth proportional to 583,551.96, 805,301.03 and 315,279.96 is: 435,085.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,551.96 : 805,301.03 = 315,279.96 : x
  2. Step 2: Convert to fraction form
    583,551.96/805,301.03 = 315,279.96/x
  3. Step 3: Cross multiply
    583,551.96x = 805,301.03 × 315,279.96
  4. Step 4: Simplify right side
    583,551.96x = 253,895,277,314.56
  5. Step 5: Solve for x
    x = 253,895,277,314.56/583,551.96
  6. Step 6: Final answer
    x = 435,085.98

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.