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Finding the Fourth Proportional to 544,807.80, 817,211.70 and 474,823.80

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Solution

The fourth proportional to 544,807.80, 817,211.70 and 474,823.80 is: 712,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,807.80 : 817,211.70 = 474,823.80 : x
  2. Step 2: Convert to fraction form
    544,807.80/817,211.70 = 474,823.80/x
  3. Step 3: Cross multiply
    544,807.80x = 817,211.70 × 474,823.80
  4. Step 4: Simplify right side
    544,807.80x = 388,031,564,798.46
  5. Step 5: Solve for x
    x = 388,031,564,798.46/544,807.80
  6. Step 6: Final answer
    x = 712,235.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.