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Finding the Fourth Proportional to 583,666.94, 805,337.89 and 354,344.94

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Solution

The fourth proportional to 583,666.94, 805,337.89 and 354,344.94 is: 488,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,666.94 : 805,337.89 = 354,344.94 : x
  2. Step 2: Convert to fraction form
    583,666.94/805,337.89 = 354,344.94/x
  3. Step 3: Cross multiply
    583,666.94x = 805,337.89 × 354,344.94
  4. Step 4: Simplify right side
    583,666.94x = 285,367,405,425.91
  5. Step 5: Solve for x
    x = 285,367,405,425.91/583,666.94
  6. Step 6: Final answer
    x = 488,921.65

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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.