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Finding the Fourth Proportional to 583,857.88, 805,699.38 and 329,232.76

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Solution

The fourth proportional to 583,857.88, 805,699.38 and 329,232.76 is: 454,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,857.88 : 805,699.38 = 329,232.76 : x
  2. Step 2: Convert to fraction form
    583,857.88/805,699.38 = 329,232.76/x
  3. Step 3: Cross multiply
    583,857.88x = 805,699.38 × 329,232.76
  4. Step 4: Simplify right side
    583,857.88x = 265,262,630,607.69
  5. Step 5: Solve for x
    x = 265,262,630,607.69/583,857.88
  6. Step 6: Final answer
    x = 454,327.40

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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.