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Finding the Fourth Proportional to 536,543.80, 804,815.70 and 162,585.40

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Solution

The fourth proportional to 536,543.80, 804,815.70 and 162,585.40 is: 243,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,543.80 : 804,815.70 = 162,585.40 : x
  2. Step 2: Convert to fraction form
    536,543.80/804,815.70 = 162,585.40/x
  3. Step 3: Cross multiply
    536,543.80x = 804,815.70 × 162,585.40
  4. Step 4: Simplify right side
    536,543.80x = 130,851,282,510.78
  5. Step 5: Solve for x
    x = 130,851,282,510.78/536,543.80
  6. Step 6: Final answer
    x = 243,878.10

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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.