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Finding the Fourth Proportional to 533,571.61, 736,288.90 and 291,841.69

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Solution

The fourth proportional to 533,571.61, 736,288.90 and 291,841.69 is: 402,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,571.61 : 736,288.90 = 291,841.69 : x
  2. Step 2: Convert to fraction form
    533,571.61/736,288.90 = 291,841.69/x
  3. Step 3: Cross multiply
    533,571.61x = 736,288.90 × 291,841.69
  4. Step 4: Simplify right side
    533,571.61x = 214,879,796,904.24
  5. Step 5: Solve for x
    x = 214,879,796,904.24/533,571.61
  6. Step 6: Final answer
    x = 402,719.70

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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.