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Finding the Fourth Proportional to 433,390.59, 598,082.81 and 242,421.75

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Solution

The fourth proportional to 433,390.59, 598,082.81 and 242,421.75 is: 334,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,390.59 : 598,082.81 = 242,421.75 : x
  2. Step 2: Convert to fraction form
    433,390.59/598,082.81 = 242,421.75/x
  3. Step 3: Cross multiply
    433,390.59x = 598,082.81 × 242,421.75
  4. Step 4: Simplify right side
    433,390.59x = 144,988,280,233.01
  5. Step 5: Solve for x
    x = 144,988,280,233.01/433,390.59
  6. Step 6: Final answer
    x = 334,544.14

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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.