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Finding the Fourth Proportional to 533,632.30, 736,412.32 and 291,914.82

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Solution

The fourth proportional to 533,632.30, 736,412.32 and 291,914.82 is: 402,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,632.30 : 736,412.32 = 291,914.82 : x
  2. Step 2: Convert to fraction form
    533,632.30/736,412.32 = 291,914.82/x
  3. Step 3: Cross multiply
    533,632.30x = 736,412.32 × 291,914.82
  4. Step 4: Simplify right side
    533,632.30x = 214,969,669,838.58
  5. Step 5: Solve for x
    x = 214,969,669,838.58/533,632.30
  6. Step 6: Final answer
    x = 402,842.31

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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.