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Finding the Fourth Proportional to 514,828.81, 710,042.51 and 362,371.69

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Solution

The fourth proportional to 514,828.81, 710,042.51 and 362,371.69 is: 499,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,828.81 : 710,042.51 = 362,371.69 : x
  2. Step 2: Convert to fraction form
    514,828.81/710,042.51 = 362,371.69/x
  3. Step 3: Cross multiply
    514,828.81x = 710,042.51 × 362,371.69
  4. Step 4: Simplify right side
    514,828.81x = 257,299,304,320.54
  5. Step 5: Solve for x
    x = 257,299,304,320.54/514,828.81
  6. Step 6: Final answer
    x = 499,776.43

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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.