Home / 369,795.30-554,692.95-355,280.10

Finding the Fourth Proportional to 369,795.30, 554,692.95 and 355,280.10

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Solution

The fourth proportional to 369,795.30, 554,692.95 and 355,280.10 is: 532,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,795.30 : 554,692.95 = 355,280.10 : x
  2. Step 2: Convert to fraction form
    369,795.30/554,692.95 = 355,280.10/x
  3. Step 3: Cross multiply
    369,795.30x = 554,692.95 × 355,280.10
  4. Step 4: Simplify right side
    369,795.30x = 197,071,366,745.30
  5. Step 5: Solve for x
    x = 197,071,366,745.30/369,795.30
  6. Step 6: Final answer
    x = 532,920.15

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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.