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Finding the Fourth Proportional to 544,395.53, 751,307.91 and 326,612.40

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Solution

The fourth proportional to 544,395.53, 751,307.91 and 326,612.40 is: 450,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,395.53 : 751,307.91 = 326,612.40 : x
  2. Step 2: Convert to fraction form
    544,395.53/751,307.91 = 326,612.40/x
  3. Step 3: Cross multiply
    544,395.53x = 751,307.91 × 326,612.40
  4. Step 4: Simplify right side
    544,395.53x = 245,386,479,624.08
  5. Step 5: Solve for x
    x = 245,386,479,624.08/544,395.53
  6. Step 6: Final answer
    x = 450,750.36

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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.