Home / 369,266.10-553,899.15-211,364.70

Finding the Fourth Proportional to 369,266.10, 553,899.15 and 211,364.70

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Solution

The fourth proportional to 369,266.10, 553,899.15 and 211,364.70 is: 317,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,266.10 : 553,899.15 = 211,364.70 : x
  2. Step 2: Convert to fraction form
    369,266.10/553,899.15 = 211,364.70/x
  3. Step 3: Cross multiply
    369,266.10x = 553,899.15 × 211,364.70
  4. Step 4: Simplify right side
    369,266.10x = 117,074,727,670.01
  5. Step 5: Solve for x
    x = 117,074,727,670.01/369,266.10
  6. Step 6: Final answer
    x = 317,047.05

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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.