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Finding the Fourth Proportional to 502,792.40, 754,434.36 and 236,579.36

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Solution

The fourth proportional to 502,792.40, 754,434.36 and 236,579.36 is: 354,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,792.40 : 754,434.36 = 236,579.36 : x
  2. Step 2: Convert to fraction form
    502,792.40/754,434.36 = 236,579.36/x
  3. Step 3: Cross multiply
    502,792.40x = 754,434.36 × 236,579.36
  4. Step 4: Simplify right side
    502,792.40x = 178,483,598,050.81
  5. Step 5: Solve for x
    x = 178,483,598,050.81/502,792.40
  6. Step 6: Final answer
    x = 354,984.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.