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Finding the Fourth Proportional to 530,824.73, 732,530.81 and 304,465.37

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Solution

The fourth proportional to 530,824.73, 732,530.81 and 304,465.37 is: 420,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,824.73 : 732,530.81 = 304,465.37 : x
  2. Step 2: Convert to fraction form
    530,824.73/732,530.81 = 304,465.37/x
  3. Step 3: Cross multiply
    530,824.73x = 732,530.81 × 304,465.37
  4. Step 4: Simplify right side
    530,824.73x = 223,030,262,580.72
  5. Step 5: Solve for x
    x = 223,030,262,580.72/530,824.73
  6. Step 6: Final answer
    x = 420,158.01

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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.