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Finding the Fourth Proportional to 575,822.76, 794,633.17 and 317,715.77

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Solution

The fourth proportional to 575,822.76, 794,633.17 and 317,715.77 is: 438,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,822.76 : 794,633.17 = 317,715.77 : x
  2. Step 2: Convert to fraction form
    575,822.76/794,633.17 = 317,715.77/x
  3. Step 3: Cross multiply
    575,822.76x = 794,633.17 × 317,715.77
  4. Step 4: Simplify right side
    575,822.76x = 252,467,490,268.38
  5. Step 5: Solve for x
    x = 252,467,490,268.38/575,822.76
  6. Step 6: Final answer
    x = 438,446.53

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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.