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Finding the Fourth Proportional to 546,534.18, 814,368.24 and 486,911.70

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Solution

The fourth proportional to 546,534.18, 814,368.24 and 486,911.70 is: 725,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,534.18 : 814,368.24 = 486,911.70 : x
  2. Step 2: Convert to fraction form
    546,534.18/814,368.24 = 486,911.70/x
  3. Step 3: Cross multiply
    546,534.18x = 814,368.24 × 486,911.70
  4. Step 4: Simplify right side
    546,534.18x = 396,525,424,164.41
  5. Step 5: Solve for x
    x = 396,525,424,164.41/546,534.18
  6. Step 6: Final answer
    x = 725,527.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.