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Finding the Fourth Proportional to 533,530.42, 736,289.58 and 291,813.00

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Solution

The fourth proportional to 533,530.42, 736,289.58 and 291,813.00 is: 402,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,530.42 : 736,289.58 = 291,813.00 : x
  2. Step 2: Convert to fraction form
    533,530.42/736,289.58 = 291,813.00/x
  3. Step 3: Cross multiply
    533,530.42x = 736,289.58 × 291,813.00
  4. Step 4: Simplify right side
    533,530.42x = 214,858,875,343.83
  5. Step 5: Solve for x
    x = 214,858,875,343.83/533,530.42
  6. Step 6: Final answer
    x = 402,711.57

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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.