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Finding the Fourth Proportional to 547,095.70, 820,643.55 and 473,367.70

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Solution

The fourth proportional to 547,095.70, 820,643.55 and 473,367.70 is: 710,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,095.70 : 820,643.55 = 473,367.70 : x
  2. Step 2: Convert to fraction form
    547,095.70/820,643.55 = 473,367.70/x
  3. Step 3: Cross multiply
    547,095.70x = 820,643.55 × 473,367.70
  4. Step 4: Simplify right side
    547,095.70x = 388,466,149,783.34
  5. Step 5: Solve for x
    x = 388,466,149,783.34/547,095.70
  6. Step 6: Final answer
    x = 710,051.55

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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.