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Finding the Fourth Proportional to 546,268.69, 754,326.80 and 342,669.59

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Solution

The fourth proportional to 546,268.69, 754,326.80 and 342,669.59 is: 473,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,268.69 : 754,326.80 = 342,669.59 : x
  2. Step 2: Convert to fraction form
    546,268.69/754,326.80 = 342,669.59/x
  3. Step 3: Cross multiply
    546,268.69x = 754,326.80 × 342,669.59
  4. Step 4: Simplify right side
    546,268.69x = 258,484,855,282.01
  5. Step 5: Solve for x
    x = 258,484,855,282.01/546,268.69
  6. Step 6: Final answer
    x = 473,182.63

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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.