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Finding the Fourth Proportional to 536,715.94, 740,655.54 and 291,694.94

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Solution

The fourth proportional to 536,715.94, 740,655.54 and 291,694.94 is: 402,532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,715.94 : 740,655.54 = 291,694.94 : x
  2. Step 2: Convert to fraction form
    536,715.94/740,655.54 = 291,694.94/x
  3. Step 3: Cross multiply
    536,715.94x = 740,655.54 × 291,694.94
  4. Step 4: Simplify right side
    536,715.94x = 216,045,473,300.97
  5. Step 5: Solve for x
    x = 216,045,473,300.97/536,715.94
  6. Step 6: Final answer
    x = 402,532.25

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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.