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Finding the Fourth Proportional to 443,011.20, 611,355.45 and 241,807.20

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Solution

The fourth proportional to 443,011.20, 611,355.45 and 241,807.20 is: 333,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,011.20 : 611,355.45 = 241,807.20 : x
  2. Step 2: Convert to fraction form
    443,011.20/611,355.45 = 241,807.20/x
  3. Step 3: Cross multiply
    443,011.20x = 611,355.45 × 241,807.20
  4. Step 4: Simplify right side
    443,011.20x = 147,830,149,569.24
  5. Step 5: Solve for x
    x = 147,830,149,569.24/443,011.20
  6. Step 6: Final answer
    x = 333,693.93

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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.