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Finding the Fourth Proportional to 589,557.19, 813,357.96 and 362,809.03

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Solution

The fourth proportional to 589,557.19, 813,357.96 and 362,809.03 is: 500,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,557.19 : 813,357.96 = 362,809.03 : x
  2. Step 2: Convert to fraction form
    589,557.19/813,357.96 = 362,809.03/x
  3. Step 3: Cross multiply
    589,557.19x = 813,357.96 × 362,809.03
  4. Step 4: Simplify right side
    589,557.19x = 295,093,612,510.38
  5. Step 5: Solve for x
    x = 295,093,612,510.38/589,557.19
  6. Step 6: Final answer
    x = 500,534.33

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Double scale
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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.