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Finding the Fourth Proportional to 266,303.71, 367,497.25 and 145,445.05

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Solution

The fourth proportional to 266,303.71, 367,497.25 and 145,445.05 is: 200,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,303.71 : 367,497.25 = 145,445.05 : x
  2. Step 2: Convert to fraction form
    266,303.71/367,497.25 = 145,445.05/x
  3. Step 3: Cross multiply
    266,303.71x = 367,497.25 × 145,445.05
  4. Step 4: Simplify right side
    266,303.71x = 53,450,655,901.11
  5. Step 5: Solve for x
    x = 53,450,655,901.11/266,303.71
  6. Step 6: Final answer
    x = 200,713.15

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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.