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Finding the Fourth Proportional to 651,575.80, 977,436.60 and 202,293.10

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Solution

The fourth proportional to 651,575.80, 977,436.60 and 202,293.10 is: 303,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,575.80 : 977,436.60 = 202,293.10 : x
  2. Step 2: Convert to fraction form
    651,575.80/977,436.60 = 202,293.10/x
  3. Step 3: Cross multiply
    651,575.80x = 977,436.60 × 202,293.10
  4. Step 4: Simplify right side
    651,575.80x = 197,728,679,867.46
  5. Step 5: Solve for x
    x = 197,728,679,867.46/651,575.80
  6. Step 6: Final answer
    x = 303,462.28

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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.