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Finding the Fourth Proportional to 583,455.84, 805,167.86 and 315,183.84

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Solution

The fourth proportional to 583,455.84, 805,167.86 and 315,183.84 is: 434,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,455.84 : 805,167.86 = 315,183.84 : x
  2. Step 2: Convert to fraction form
    583,455.84/805,167.86 = 315,183.84/x
  3. Step 3: Cross multiply
    583,455.84x = 805,167.86 × 315,183.84
  4. Step 4: Simplify right side
    583,455.84x = 253,775,896,383.46
  5. Step 5: Solve for x
    x = 253,775,896,383.46/583,455.84
  6. Step 6: Final answer
    x = 434,953.05

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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.