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Finding the Fourth Proportional to 450,475.15, 621,655.62 and 246,526.20

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Solution

The fourth proportional to 450,475.15, 621,655.62 and 246,526.20 is: 340,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,475.15 : 621,655.62 = 246,526.20 : x
  2. Step 2: Convert to fraction form
    450,475.15/621,655.62 = 246,526.20/x
  3. Step 3: Cross multiply
    450,475.15x = 621,655.62 × 246,526.20
  4. Step 4: Simplify right side
    450,475.15x = 153,254,395,893.55
  5. Step 5: Solve for x
    x = 153,254,395,893.55/450,475.15
  6. Step 6: Final answer
    x = 340,206.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.