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Finding the Fourth Proportional to 237,953.84, 328,385.48 and 130,528.40

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Solution

The fourth proportional to 237,953.84, 328,385.48 and 130,528.40 is: 180,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,953.84 : 328,385.48 = 130,528.40 : x
  2. Step 2: Convert to fraction form
    237,953.84/328,385.48 = 130,528.40/x
  3. Step 3: Cross multiply
    237,953.84x = 328,385.48 × 130,528.40
  4. Step 4: Simplify right side
    237,953.84x = 42,863,631,287.63
  5. Step 5: Solve for x
    x = 42,863,631,287.63/237,953.84
  6. Step 6: Final answer
    x = 180,134.23

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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.