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Finding the Fourth Proportional to 538,325.12, 807,612.72 and 183,342.16

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Solution

The fourth proportional to 538,325.12, 807,612.72 and 183,342.16 is: 275,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,325.12 : 807,612.72 = 183,342.16 : x
  2. Step 2: Convert to fraction form
    538,325.12/807,612.72 = 183,342.16/x
  3. Step 3: Cross multiply
    538,325.12x = 807,612.72 × 183,342.16
  4. Step 4: Simplify right side
    538,325.12x = 148,069,460,528.28
  5. Step 5: Solve for x
    x = 148,069,460,528.28/538,325.12
  6. Step 6: Final answer
    x = 275,055.83

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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.