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Finding the Fourth Proportional to 477,550.83, 716,079.69 and 140,547.69

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Solution

The fourth proportional to 477,550.83, 716,079.69 and 140,547.69 is: 210,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,550.83 : 716,079.69 = 140,547.69 : x
  2. Step 2: Convert to fraction form
    477,550.83/716,079.69 = 140,547.69/x
  3. Step 3: Cross multiply
    477,550.83x = 716,079.69 × 140,547.69
  4. Step 4: Simplify right side
    477,550.83x = 100,643,346,285.42
  5. Step 5: Solve for x
    x = 100,643,346,285.42/477,550.83
  6. Step 6: Final answer
    x = 210,748.97

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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.