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Finding the Fourth Proportional to 524,468.94, 723,070.28 and 342,868.64

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Solution

The fourth proportional to 524,468.94, 723,070.28 and 342,868.64 is: 472,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,468.94 : 723,070.28 = 342,868.64 : x
  2. Step 2: Convert to fraction form
    524,468.94/723,070.28 = 342,868.64/x
  3. Step 3: Cross multiply
    524,468.94x = 723,070.28 × 342,868.64
  4. Step 4: Simplify right side
    524,468.94x = 247,918,123,528.02
  5. Step 5: Solve for x
    x = 247,918,123,528.02/524,468.94
  6. Step 6: Final answer
    x = 472,703.16

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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.