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Finding the Fourth Proportional to 360,312.67, 497,210.11 and 199,158.11

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Solution

The fourth proportional to 360,312.67, 497,210.11 and 199,158.11 is: 274,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,312.67 : 497,210.11 = 199,158.11 : x
  2. Step 2: Convert to fraction form
    360,312.67/497,210.11 = 199,158.11/x
  3. Step 3: Cross multiply
    360,312.67x = 497,210.11 × 199,158.11
  4. Step 4: Simplify right side
    360,312.67x = 99,023,424,661.08
  5. Step 5: Solve for x
    x = 99,023,424,661.08/360,312.67
  6. Step 6: Final answer
    x = 274,826.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.