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Finding the Fourth Proportional to 365,810.10, 549,881.55 and 344,814.90

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Solution

The fourth proportional to 365,810.10, 549,881.55 and 344,814.90 is: 518,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,810.10 : 549,881.55 = 344,814.90 : x
  2. Step 2: Convert to fraction form
    365,810.10/549,881.55 = 344,814.90/x
  3. Step 3: Cross multiply
    365,810.10x = 549,881.55 × 344,814.90
  4. Step 4: Simplify right side
    365,810.10x = 189,607,351,675.10
  5. Step 5: Solve for x
    x = 189,607,351,675.10/365,810.10
  6. Step 6: Final answer
    x = 518,321.81

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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.