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Finding the Fourth Proportional to 838,888.64, 1,257,088.76 and 616,184

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Solution

The fourth proportional to 838,888.64, 1,257,088.76 and 616,184 is: 923,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,888.64 : 1,257,088.76 = 616,184 : x
  2. Step 2: Convert to fraction form
    838,888.64/1,257,088.76 = 616,184/x
  3. Step 3: Cross multiply
    838,888.64x = 1,257,088.76 × 616,184
  4. Step 4: Simplify right side
    838,888.64x = 774,597,980,491.84
  5. Step 5: Solve for x
    x = 774,597,980,491.84/838,888.64
  6. Step 6: Final answer
    x = 923,362.11

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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.