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Finding the Fourth Proportional to 365,783.60, 549,841.80 and 344,788.40

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Solution

The fourth proportional to 365,783.60, 549,841.80 and 344,788.40 is: 518,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,783.60 : 549,841.80 = 344,788.40 : x
  2. Step 2: Convert to fraction form
    365,783.60/549,841.80 = 344,788.40/x
  3. Step 3: Cross multiply
    365,783.60x = 549,841.80 × 344,788.40
  4. Step 4: Simplify right side
    365,783.60x = 189,579,074,475.12
  5. Step 5: Solve for x
    x = 189,579,074,475.12/365,783.60
  6. Step 6: Final answer
    x = 518,282.05

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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.