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Finding the Fourth Proportional to 536,831.50, 740,841.65 and 291,832.74

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Solution

The fourth proportional to 536,831.50, 740,841.65 and 291,832.74 is: 402,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,831.50 : 740,841.65 = 291,832.74 : x
  2. Step 2: Convert to fraction form
    536,831.50/740,841.65 = 291,832.74/x
  3. Step 3: Cross multiply
    536,831.50x = 740,841.65 × 291,832.74
  4. Step 4: Simplify right side
    536,831.50x = 216,201,848,625.62
  5. Step 5: Solve for x
    x = 216,201,848,625.62/536,831.50
  6. Step 6: Final answer
    x = 402,736.89

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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.