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Finding the Fourth Proportional to 560,381.53, 840,482.06 and 160,931.45

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Solution

The fourth proportional to 560,381.53, 840,482.06 and 160,931.45 is: 241,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,381.53 : 840,482.06 = 160,931.45 : x
  2. Step 2: Convert to fraction form
    560,381.53/840,482.06 = 160,931.45/x
  3. Step 3: Cross multiply
    560,381.53x = 840,482.06 × 160,931.45
  4. Step 4: Simplify right side
    560,381.53x = 135,259,992,814.71
  5. Step 5: Solve for x
    x = 135,259,992,814.71/560,381.53
  6. Step 6: Final answer
    x = 241,371.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.