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Finding the Fourth Proportional to 583,806.54, 805,652.52 and 315,534.54

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Solution

The fourth proportional to 583,806.54, 805,652.52 and 315,534.54 is: 435,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,806.54 : 805,652.52 = 315,534.54 : x
  2. Step 2: Convert to fraction form
    583,806.54/805,652.52 = 315,534.54/x
  3. Step 3: Cross multiply
    583,806.54x = 805,652.52 × 315,534.54
  4. Step 4: Simplify right side
    583,806.54x = 254,211,197,298.04
  5. Step 5: Solve for x
    x = 254,211,197,298.04/583,806.54
  6. Step 6: Final answer
    x = 435,437.39

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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.