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Finding the Fourth Proportional to 283,533.30, 424,862.55 and 245,916.90

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Solution

The fourth proportional to 283,533.30, 424,862.55 and 245,916.90 is: 368,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,533.30 : 424,862.55 = 245,916.90 : x
  2. Step 2: Convert to fraction form
    283,533.30/424,862.55 = 245,916.90/x
  3. Step 3: Cross multiply
    283,533.30x = 424,862.55 × 245,916.90
  4. Step 4: Simplify right side
    283,533.30x = 104,480,881,222.10
  5. Step 5: Solve for x
    x = 104,480,881,222.10/283,533.30
  6. Step 6: Final answer
    x = 368,495.98

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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.