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Finding the Fourth Proportional to 536,541.80, 804,812.70 and 162,583.40

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Solution

The fourth proportional to 536,541.80, 804,812.70 and 162,583.40 is: 243,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,541.80 : 804,812.70 = 162,583.40 : x
  2. Step 2: Convert to fraction form
    536,541.80/804,812.70 = 162,583.40/x
  3. Step 3: Cross multiply
    536,541.80x = 804,812.70 × 162,583.40
  4. Step 4: Simplify right side
    536,541.80x = 130,849,185,129.18
  5. Step 5: Solve for x
    x = 130,849,185,129.18/536,541.80
  6. Step 6: Final answer
    x = 243,875.10

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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.