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Finding the Fourth Proportional to 563,768.80, 847,726.80 and 472,530.40

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Solution

The fourth proportional to 563,768.80, 847,726.80 and 472,530.40 is: 710,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,768.80 : 847,726.80 = 472,530.40 : x
  2. Step 2: Convert to fraction form
    563,768.80/847,726.80 = 472,530.40/x
  3. Step 3: Cross multiply
    563,768.80x = 847,726.80 × 472,530.40
  4. Step 4: Simplify right side
    563,768.80x = 400,576,683,894.72
  5. Step 5: Solve for x
    x = 400,576,683,894.72/563,768.80
  6. Step 6: Final answer
    x = 710,533.62

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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.