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Finding the Fourth Proportional to 365,885.60, 549,994.80 and 344,890.40

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Solution

The fourth proportional to 365,885.60, 549,994.80 and 344,890.40 is: 518,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,885.60 : 549,994.80 = 344,890.40 : x
  2. Step 2: Convert to fraction form
    365,885.60/549,994.80 = 344,890.40/x
  3. Step 3: Cross multiply
    365,885.60x = 549,994.80 × 344,890.40
  4. Step 4: Simplify right side
    365,885.60x = 189,687,926,569.92
  5. Step 5: Solve for x
    x = 189,687,926,569.92/365,885.60
  6. Step 6: Final answer
    x = 518,435.07

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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.