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Finding the Fourth Proportional to 590,985, 886,477.50 and 147,753

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Solution

The fourth proportional to 590,985, 886,477.50 and 147,753 is: 221,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,985 : 886,477.50 = 147,753 : x
  2. Step 2: Convert to fraction form
    590,985/886,477.50 = 147,753/x
  3. Step 3: Cross multiply
    590,985x = 886,477.50 × 147,753
  4. Step 4: Simplify right side
    590,985x = 130,979,710,057.50
  5. Step 5: Solve for x
    x = 130,979,710,057.50/590,985
  6. Step 6: Final answer
    x = 221,629.50

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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.