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Finding the Fourth Proportional to 264,875.84, 394,818.55 and 243,618.20

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Solution

The fourth proportional to 264,875.84, 394,818.55 and 243,618.20 is: 363,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,875.84 : 394,818.55 = 243,618.20 : x
  2. Step 2: Convert to fraction form
    264,875.84/394,818.55 = 243,618.20/x
  3. Step 3: Cross multiply
    264,875.84x = 394,818.55 × 243,618.20
  4. Step 4: Simplify right side
    264,875.84x = 96,184,984,477.61
  5. Step 5: Solve for x
    x = 96,184,984,477.61/264,875.84
  6. Step 6: Final answer
    x = 363,132.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.