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Finding the Fourth Proportional to 875,269.20, 1,312,903.80 and 875,269.20

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Solution

The fourth proportional to 875,269.20, 1,312,903.80 and 875,269.20 is: 1,312,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,269.20 : 1,312,903.80 = 875,269.20 : x
  2. Step 2: Convert to fraction form
    875,269.20/1,312,903.80 = 875,269.20/x
  3. Step 3: Cross multiply
    875,269.20x = 1,312,903.80 × 875,269.20
  4. Step 4: Simplify right side
    875,269.20x = 1,149,144,258,702.96
  5. Step 5: Solve for x
    x = 1,149,144,258,702.96/875,269.20
  6. Step 6: Final answer
    x = 1,312,903.80

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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.