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Finding the Fourth Proportional to 295,330.84, 407,418.10 and 174,389.72

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Solution

The fourth proportional to 295,330.84, 407,418.10 and 174,389.72 is: 240,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,330.84 : 407,418.10 = 174,389.72 : x
  2. Step 2: Convert to fraction form
    295,330.84/407,418.10 = 174,389.72/x
  3. Step 3: Cross multiply
    295,330.84x = 407,418.10 × 174,389.72
  4. Step 4: Simplify right side
    295,330.84x = 71,049,528,381.93
  5. Step 5: Solve for x
    x = 71,049,528,381.93/295,330.84
  6. Step 6: Final answer
    x = 240,576.05

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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.