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Finding the Fourth Proportional to 341,386, 511,942.08 and 141,570.64

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Solution

The fourth proportional to 341,386, 511,942.08 and 141,570.64 is: 212,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,386 : 511,942.08 = 141,570.64 : x
  2. Step 2: Convert to fraction form
    341,386/511,942.08 = 141,570.64/x
  3. Step 3: Cross multiply
    341,386x = 511,942.08 × 141,570.64
  4. Step 4: Simplify right side
    341,386x = 72,475,967,908.53
  5. Step 5: Solve for x
    x = 72,475,967,908.53/341,386
  6. Step 6: Final answer
    x = 212,299.18

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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.