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Finding the Fourth Proportional to 366,964.40, 506,457.72 and 216,075.44

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Solution

The fourth proportional to 366,964.40, 506,457.72 and 216,075.44 is: 298,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,964.40 : 506,457.72 = 216,075.44 : x
  2. Step 2: Convert to fraction form
    366,964.40/506,457.72 = 216,075.44/x
  3. Step 3: Cross multiply
    366,964.40x = 506,457.72 × 216,075.44
  4. Step 4: Simplify right side
    366,964.40x = 109,433,074,690.40
  5. Step 5: Solve for x
    x = 109,433,074,690.40/366,964.40
  6. Step 6: Final answer
    x = 298,211.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.