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Finding the Fourth Proportional to 260,053.80, 390,080.70 and 244,307.40

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Solution

The fourth proportional to 260,053.80, 390,080.70 and 244,307.40 is: 366,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,053.80 : 390,080.70 = 244,307.40 : x
  2. Step 2: Convert to fraction form
    260,053.80/390,080.70 = 244,307.40/x
  3. Step 3: Cross multiply
    260,053.80x = 390,080.70 × 244,307.40
  4. Step 4: Simplify right side
    260,053.80x = 95,299,601,607.18
  5. Step 5: Solve for x
    x = 95,299,601,607.18/260,053.80
  6. Step 6: Final answer
    x = 366,461.10

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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.