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Finding the Fourth Proportional to 832,535, 1,148,898.39 and 450,561.78

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Solution

The fourth proportional to 832,535, 1,148,898.39 and 450,561.78 is: 621,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,535 : 1,148,898.39 = 450,561.78 : x
  2. Step 2: Convert to fraction form
    832,535/1,148,898.39 = 450,561.78/x
  3. Step 3: Cross multiply
    832,535x = 1,148,898.39 × 450,561.78
  4. Step 4: Simplify right side
    832,535x = 517,649,703,637.53
  5. Step 5: Solve for x
    x = 517,649,703,637.53/832,535
  6. Step 6: Final answer
    x = 621,775.31

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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.