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Finding the Fourth Proportional to 283,673.60, 424,948.80 and 183,903.20

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Solution

The fourth proportional to 283,673.60, 424,948.80 and 183,903.20 is: 275,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,673.60 : 424,948.80 = 183,903.20 : x
  2. Step 2: Convert to fraction form
    283,673.60/424,948.80 = 183,903.20/x
  3. Step 3: Cross multiply
    283,673.60x = 424,948.80 × 183,903.20
  4. Step 4: Simplify right side
    283,673.60x = 78,149,444,156.16
  5. Step 5: Solve for x
    x = 78,149,444,156.16/283,673.60
  6. Step 6: Final answer
    x = 275,490.72

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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.