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Finding the Fourth Proportional to 528,916.34, 792,681.44 and 244,570.80

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Solution

The fourth proportional to 528,916.34, 792,681.44 and 244,570.80 is: 366,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,916.34 : 792,681.44 = 244,570.80 : x
  2. Step 2: Convert to fraction form
    528,916.34/792,681.44 = 244,570.80/x
  3. Step 3: Cross multiply
    528,916.34x = 792,681.44 × 244,570.80
  4. Step 4: Simplify right side
    528,916.34x = 193,866,733,925.95
  5. Step 5: Solve for x
    x = 193,866,733,925.95/528,916.34
  6. Step 6: Final answer
    x = 366,535.72

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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.