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Finding the Fourth Proportional to 365,876.20, 549,159.90 and 225,908.20

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Solution

The fourth proportional to 365,876.20, 549,159.90 and 225,908.20 is: 339,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,876.20 : 549,159.90 = 225,908.20 : x
  2. Step 2: Convert to fraction form
    365,876.20/549,159.90 = 225,908.20/x
  3. Step 3: Cross multiply
    365,876.20x = 549,159.90 × 225,908.20
  4. Step 4: Simplify right side
    365,876.20x = 124,059,724,521.18
  5. Step 5: Solve for x
    x = 124,059,724,521.18/365,876.20
  6. Step 6: Final answer
    x = 339,075.69

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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.