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Finding the Fourth Proportional to 536,594.61, 740,339.07 and 321,656.25

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Solution

The fourth proportional to 536,594.61, 740,339.07 and 321,656.25 is: 443,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,594.61 : 740,339.07 = 321,656.25 : x
  2. Step 2: Convert to fraction form
    536,594.61/740,339.07 = 321,656.25/x
  3. Step 3: Cross multiply
    536,594.61x = 740,339.07 × 321,656.25
  4. Step 4: Simplify right side
    536,594.61x = 238,134,688,984.69
  5. Step 5: Solve for x
    x = 238,134,688,984.69/536,594.61
  6. Step 6: Final answer
    x = 443,788.82

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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.