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Finding the Fourth Proportional to 424,483.20, 585,783.54 and 233,492.40

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Solution

The fourth proportional to 424,483.20, 585,783.54 and 233,492.40 is: 322,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,483.20 : 585,783.54 = 233,492.40 : x
  2. Step 2: Convert to fraction form
    424,483.20/585,783.54 = 233,492.40/x
  3. Step 3: Cross multiply
    424,483.20x = 585,783.54 × 233,492.40
  4. Step 4: Simplify right side
    424,483.20x = 136,776,004,635.10
  5. Step 5: Solve for x
    x = 136,776,004,635.10/424,483.20
  6. Step 6: Final answer
    x = 322,217.71

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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.