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Finding the Fourth Proportional to 522,256.80, 783,442.80 and 167,210.40

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Solution

The fourth proportional to 522,256.80, 783,442.80 and 167,210.40 is: 250,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,256.80 : 783,442.80 = 167,210.40 : x
  2. Step 2: Convert to fraction form
    522,256.80/783,442.80 = 167,210.40/x
  3. Step 3: Cross multiply
    522,256.80x = 783,442.80 × 167,210.40
  4. Step 4: Simplify right side
    522,256.80x = 130,999,783,965.12
  5. Step 5: Solve for x
    x = 130,999,783,965.12/522,256.80
  6. Step 6: Final answer
    x = 250,834.04

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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.