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Finding the Fourth Proportional to 582,533.15, 803,883.18 and 320,895.77

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Solution

The fourth proportional to 582,533.15, 803,883.18 and 320,895.77 is: 442,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,533.15 : 803,883.18 = 320,895.77 : x
  2. Step 2: Convert to fraction form
    582,533.15/803,883.18 = 320,895.77/x
  3. Step 3: Cross multiply
    582,533.15x = 803,883.18 × 320,895.77
  4. Step 4: Simplify right side
    582,533.15x = 257,962,710,431.67
  5. Step 5: Solve for x
    x = 257,962,710,431.67/582,533.15
  6. Step 6: Final answer
    x = 442,829.24

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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.