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Finding the Fourth Proportional to 362,474.19, 500,158.73 and 209,482.81

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Solution

The fourth proportional to 362,474.19, 500,158.73 and 209,482.81 is: 289,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,474.19 : 500,158.73 = 209,482.81 : x
  2. Step 2: Convert to fraction form
    362,474.19/500,158.73 = 209,482.81/x
  3. Step 3: Cross multiply
    362,474.19x = 500,158.73 × 209,482.81
  4. Step 4: Simplify right side
    362,474.19x = 104,774,655,479.74
  5. Step 5: Solve for x
    x = 104,774,655,479.74/362,474.19
  6. Step 6: Final answer
    x = 289,054.11

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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.