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Finding the Fourth Proportional to 565,217.70, 779,955.17 and 323,444.85

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Solution

The fourth proportional to 565,217.70, 779,955.17 and 323,444.85 is: 446,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,217.70 : 779,955.17 = 323,444.85 : x
  2. Step 2: Convert to fraction form
    565,217.70/779,955.17 = 323,444.85/x
  3. Step 3: Cross multiply
    565,217.70x = 779,955.17 × 323,444.85
  4. Step 4: Simplify right side
    565,217.70x = 252,272,482,967.37
  5. Step 5: Solve for x
    x = 252,272,482,967.37/565,217.70
  6. Step 6: Final answer
    x = 446,328.00

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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.