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Finding the Fourth Proportional to 245,363.55, 368,045.33 and 210,371.55

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Solution

The fourth proportional to 245,363.55, 368,045.33 and 210,371.55 is: 315,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,363.55 : 368,045.33 = 210,371.55 : x
  2. Step 2: Convert to fraction form
    245,363.55/368,045.33 = 210,371.55/x
  3. Step 3: Cross multiply
    245,363.55x = 368,045.33 × 210,371.55
  4. Step 4: Simplify right side
    245,363.55x = 77,426,265,490.50
  5. Step 5: Solve for x
    x = 77,426,265,490.50/245,363.55
  6. Step 6: Final answer
    x = 315,557.33

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1.5x scale

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.