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Finding the Fourth Proportional to 360,666.69, 497,734.69 and 199,518.96

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Solution

The fourth proportional to 360,666.69, 497,734.69 and 199,518.96 is: 275,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,666.69 : 497,734.69 = 199,518.96 : x
  2. Step 2: Convert to fraction form
    360,666.69/497,734.69 = 199,518.96/x
  3. Step 3: Cross multiply
    360,666.69x = 497,734.69 × 199,518.96
  4. Step 4: Simplify right side
    360,666.69x = 99,307,506,707.13
  5. Step 5: Solve for x
    x = 99,307,506,707.13/360,666.69
  6. Step 6: Final answer
    x = 275,344.27

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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.