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Finding the Fourth Proportional to 365,886.60, 549,996.30 and 344,891.40

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Solution

The fourth proportional to 365,886.60, 549,996.30 and 344,891.40 is: 518,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,886.60 : 549,996.30 = 344,891.40 : x
  2. Step 2: Convert to fraction form
    365,886.60/549,996.30 = 344,891.40/x
  3. Step 3: Cross multiply
    365,886.60x = 549,996.30 × 344,891.40
  4. Step 4: Simplify right side
    365,886.60x = 189,688,993,901.82
  5. Step 5: Solve for x
    x = 189,688,993,901.82/365,886.60
  6. Step 6: Final answer
    x = 518,436.57

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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.