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Finding the Fourth Proportional to 365,813.60, 549,886.80 and 344,818.40

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Solution

The fourth proportional to 365,813.60, 549,886.80 and 344,818.40 is: 518,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,813.60 : 549,886.80 = 344,818.40 : x
  2. Step 2: Convert to fraction form
    365,813.60/549,886.80 = 344,818.40/x
  3. Step 3: Cross multiply
    365,813.60x = 549,886.80 × 344,818.40
  4. Step 4: Simplify right side
    365,813.60x = 189,611,086,557.12
  5. Step 5: Solve for x
    x = 189,611,086,557.12/365,813.60
  6. Step 6: Final answer
    x = 518,327.06

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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.