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Finding the Fourth Proportional to 533,415.46, 736,113.30 and 291,698.18

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Solution

The fourth proportional to 533,415.46, 736,113.30 and 291,698.18 is: 402,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,415.46 : 736,113.30 = 291,698.18 : x
  2. Step 2: Convert to fraction form
    533,415.46/736,113.30 = 291,698.18/x
  3. Step 3: Cross multiply
    533,415.46x = 736,113.30 × 291,698.18
  4. Step 4: Simplify right side
    533,415.46x = 214,722,909,883.79
  5. Step 5: Solve for x
    x = 214,722,909,883.79/533,415.46
  6. Step 6: Final answer
    x = 402,543.47

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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.