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Finding the Fourth Proportional to 546,130.71, 753,685.90 and 304,415.03

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Solution

The fourth proportional to 546,130.71, 753,685.90 and 304,415.03 is: 420,106.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,130.71 : 753,685.90 = 304,415.03 : x
  2. Step 2: Convert to fraction form
    546,130.71/753,685.90 = 304,415.03/x
  3. Step 3: Cross multiply
    546,130.71x = 753,685.90 × 304,415.03
  4. Step 4: Simplify right side
    546,130.71x = 229,433,316,982.25
  5. Step 5: Solve for x
    x = 229,433,316,982.25/546,130.71
  6. Step 6: Final answer
    x = 420,106.97

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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.