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Finding the Fourth Proportional to 530,852.80, 797,834.40 and 521,521.60

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Solution

The fourth proportional to 530,852.80, 797,834.40 and 521,521.60 is: 783,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,852.80 : 797,834.40 = 521,521.60 : x
  2. Step 2: Convert to fraction form
    530,852.80/797,834.40 = 521,521.60/x
  3. Step 3: Cross multiply
    530,852.80x = 797,834.40 × 521,521.60
  4. Step 4: Simplify right side
    530,852.80x = 416,087,872,823.04
  5. Step 5: Solve for x
    x = 416,087,872,823.04/530,852.80
  6. Step 6: Final answer
    x = 783,810.26

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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.