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Finding the Fourth Proportional to 549,482.70, 824,114.70 and 265,172.70

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Solution

The fourth proportional to 549,482.70, 824,114.70 and 265,172.70 is: 397,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,482.70 : 824,114.70 = 265,172.70 : x
  2. Step 2: Convert to fraction form
    549,482.70/824,114.70 = 265,172.70/x
  3. Step 3: Cross multiply
    549,482.70x = 824,114.70 × 265,172.70
  4. Step 4: Simplify right side
    549,482.70x = 218,532,720,108.69
  5. Step 5: Solve for x
    x = 218,532,720,108.69/549,482.70
  6. Step 6: Final answer
    x = 397,706.28

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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.