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Finding the Fourth Proportional to 926,898, 1,390,355.52 and 365,932.50

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Solution

The fourth proportional to 926,898, 1,390,355.52 and 365,932.50 is: 548,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,898 : 1,390,355.52 = 365,932.50 : x
  2. Step 2: Convert to fraction form
    926,898/1,390,355.52 = 365,932.50/x
  3. Step 3: Cross multiply
    926,898x = 1,390,355.52 × 365,932.50
  4. Step 4: Simplify right side
    926,898x = 508,776,271,322.40
  5. Step 5: Solve for x
    x = 508,776,271,322.40/926,898
  6. Step 6: Final answer
    x = 548,902.11

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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.