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Finding the Fourth Proportional to 531,002.76, 732,701.56 and 304,604.52

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Solution

The fourth proportional to 531,002.76, 732,701.56 and 304,604.52 is: 420,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,002.76 : 732,701.56 = 304,604.52 : x
  2. Step 2: Convert to fraction form
    531,002.76/732,701.56 = 304,604.52/x
  3. Step 3: Cross multiply
    531,002.76x = 732,701.56 × 304,604.52
  4. Step 4: Simplify right side
    531,002.76x = 223,184,206,987.05
  5. Step 5: Solve for x
    x = 223,184,206,987.05/531,002.76
  6. Step 6: Final answer
    x = 420,307.06

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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.