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Finding the Fourth Proportional to 945,256.86, 1,417,878 and 235,280.16

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Solution

The fourth proportional to 945,256.86, 1,417,878 and 235,280.16 is: 352,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,256.86 : 1,417,878 = 235,280.16 : x
  2. Step 2: Convert to fraction form
    945,256.86/1,417,878 = 235,280.16/x
  3. Step 3: Cross multiply
    945,256.86x = 1,417,878 × 235,280.16
  4. Step 4: Simplify right side
    945,256.86x = 333,598,562,700.48
  5. Step 5: Solve for x
    x = 333,598,562,700.48/945,256.86
  6. Step 6: Final answer
    x = 352,918.43

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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.