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Finding the Fourth Proportional to 835,655.43, 1,153,206.47 and 453,674.01

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Solution

The fourth proportional to 835,655.43, 1,153,206.47 and 453,674.01 is: 626,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,655.43 : 1,153,206.47 = 453,674.01 : x
  2. Step 2: Convert to fraction form
    835,655.43/1,153,206.47 = 453,674.01/x
  3. Step 3: Cross multiply
    835,655.43x = 1,153,206.47 × 453,674.01
  4. Step 4: Simplify right side
    835,655.43x = 523,179,806,509.64
  5. Step 5: Solve for x
    x = 523,179,806,509.64/835,655.43
  6. Step 6: Final answer
    x = 626,071.21

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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.