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Finding the Fourth Proportional to 869,066.92, 1,199,191.03 and 506,210.82

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Solution

The fourth proportional to 869,066.92, 1,199,191.03 and 506,210.82 is: 698,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,066.92 : 1,199,191.03 = 506,210.82 : x
  2. Step 2: Convert to fraction form
    869,066.92/1,199,191.03 = 506,210.82/x
  3. Step 3: Cross multiply
    869,066.92x = 1,199,191.03 × 506,210.82
  4. Step 4: Simplify right side
    869,066.92x = 607,043,468,870.45
  5. Step 5: Solve for x
    x = 607,043,468,870.45/869,066.92
  6. Step 6: Final answer
    x = 698,500.26

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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.