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Finding the Fourth Proportional to 589,010.09, 812,812.31 and 359,950.70

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Solution

The fourth proportional to 589,010.09, 812,812.31 and 359,950.70 is: 496,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,010.09 : 812,812.31 = 359,950.70 : x
  2. Step 2: Convert to fraction form
    589,010.09/812,812.31 = 359,950.70/x
  3. Step 3: Cross multiply
    589,010.09x = 812,812.31 × 359,950.70
  4. Step 4: Simplify right side
    589,010.09x = 292,572,359,953.12
  5. Step 5: Solve for x
    x = 292,572,359,953.12/589,010.09
  6. Step 6: Final answer
    x = 496,718.76

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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.