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Finding the Fourth Proportional to 546,918.80, 818,995.80 and 358,912.40

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Solution

The fourth proportional to 546,918.80, 818,995.80 and 358,912.40 is: 537,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,918.80 : 818,995.80 = 358,912.40 : x
  2. Step 2: Convert to fraction form
    546,918.80/818,995.80 = 358,912.40/x
  3. Step 3: Cross multiply
    546,918.80x = 818,995.80 × 358,912.40
  4. Step 4: Simplify right side
    546,918.80x = 293,947,748,167.92
  5. Step 5: Solve for x
    x = 293,947,748,167.92/546,918.80
  6. Step 6: Final answer
    x = 537,461.41

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1.5x scale

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.