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Finding the Fourth Proportional to 369,706.91, 554,560.46 and 103,506.63

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Solution

The fourth proportional to 369,706.91, 554,560.46 and 103,506.63 is: 155,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,706.91 : 554,560.46 = 103,506.63 : x
  2. Step 2: Convert to fraction form
    369,706.91/554,560.46 = 103,506.63/x
  3. Step 3: Cross multiply
    369,706.91x = 554,560.46 × 103,506.63
  4. Step 4: Simplify right side
    369,706.91x = 57,400,683,828.32
  5. Step 5: Solve for x
    x = 57,400,683,828.32/369,706.91
  6. Step 6: Final answer
    x = 155,259.97

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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.