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Finding the Fourth Proportional to 536,364.35, 740,180.03 and 291,347.15

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Solution

The fourth proportional to 536,364.35, 740,180.03 and 291,347.15 is: 402,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,364.35 : 740,180.03 = 291,347.15 : x
  2. Step 2: Convert to fraction form
    536,364.35/740,180.03 = 291,347.15/x
  3. Step 3: Cross multiply
    536,364.35x = 740,180.03 × 291,347.15
  4. Step 4: Simplify right side
    536,364.35x = 215,649,337,069.78
  5. Step 5: Solve for x
    x = 215,649,337,069.78/536,364.35
  6. Step 6: Final answer
    x = 402,057.55

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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.