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Finding the Fourth Proportional to 548,457.80, 822,686.70 and 337,411.40

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Solution

The fourth proportional to 548,457.80, 822,686.70 and 337,411.40 is: 506,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,457.80 : 822,686.70 = 337,411.40 : x
  2. Step 2: Convert to fraction form
    548,457.80/822,686.70 = 337,411.40/x
  3. Step 3: Cross multiply
    548,457.80x = 822,686.70 × 337,411.40
  4. Step 4: Simplify right side
    548,457.80x = 277,583,871,208.38
  5. Step 5: Solve for x
    x = 277,583,871,208.38/548,457.80
  6. Step 6: Final answer
    x = 506,117.10

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Similar ratio
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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.