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Finding the Fourth Proportional to 524,454.60, 787,070.70 and 346,902.60

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Solution

The fourth proportional to 524,454.60, 787,070.70 and 346,902.60 is: 520,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,454.60 : 787,070.70 = 346,902.60 : x
  2. Step 2: Convert to fraction form
    524,454.60/787,070.70 = 346,902.60/x
  3. Step 3: Cross multiply
    524,454.60x = 787,070.70 × 346,902.60
  4. Step 4: Simplify right side
    524,454.60x = 273,036,872,213.82
  5. Step 5: Solve for x
    x = 273,036,872,213.82/524,454.60
  6. Step 6: Final answer
    x = 520,611.07

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1.5x scale

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.