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Finding the Fourth Proportional to 563,602.66, 777,688.61 and 342,727.27

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Solution

The fourth proportional to 563,602.66, 777,688.61 and 342,727.27 is: 472,913.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,602.66 : 777,688.61 = 342,727.27 : x
  2. Step 2: Convert to fraction form
    563,602.66/777,688.61 = 342,727.27/x
  3. Step 3: Cross multiply
    563,602.66x = 777,688.61 × 342,727.27
  4. Step 4: Simplify right side
    563,602.66x = 266,535,092,485.38
  5. Step 5: Solve for x
    x = 266,535,092,485.38/563,602.66
  6. Step 6: Final answer
    x = 472,913.12

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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.