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Finding the Fourth Proportional to 528,807.47, 792,913.12 and 173,726.15

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Solution

The fourth proportional to 528,807.47, 792,913.12 and 173,726.15 is: 260,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,807.47 : 792,913.12 = 173,726.15 : x
  2. Step 2: Convert to fraction form
    528,807.47/792,913.12 = 173,726.15/x
  3. Step 3: Cross multiply
    528,807.47x = 792,913.12 × 173,726.15
  4. Step 4: Simplify right side
    528,807.47x = 137,749,743,622.09
  5. Step 5: Solve for x
    x = 137,749,743,622.09/528,807.47
  6. Step 6: Final answer
    x = 260,491.30

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1.5x scale

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.