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Finding the Fourth Proportional to 526,737.12, 726,210.96 and 335,680.80

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Solution

The fourth proportional to 526,737.12, 726,210.96 and 335,680.80 is: 462,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,737.12 : 726,210.96 = 335,680.80 : x
  2. Step 2: Convert to fraction form
    526,737.12/726,210.96 = 335,680.80/x
  3. Step 3: Cross multiply
    526,737.12x = 726,210.96 × 335,680.80
  4. Step 4: Simplify right side
    526,737.12x = 243,775,076,021.57
  5. Step 5: Solve for x
    x = 243,775,076,021.57/526,737.12
  6. Step 6: Final answer
    x = 462,802.16

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1.5x scale

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.