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Finding the Fourth Proportional to 369,703.53, 554,555.39 and 103,503.26

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Solution

The fourth proportional to 369,703.53, 554,555.39 and 103,503.26 is: 155,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,703.53 : 554,555.39 = 103,503.26 : x
  2. Step 2: Convert to fraction form
    369,703.53/554,555.39 = 103,503.26/x
  3. Step 3: Cross multiply
    369,703.53x = 554,555.39 × 103,503.26
  4. Step 4: Simplify right side
    369,703.53x = 57,398,287,425.28
  5. Step 5: Solve for x
    x = 57,398,287,425.28/369,703.53
  6. Step 6: Final answer
    x = 155,254.91

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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.