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Finding the Fourth Proportional to 369,792.32, 554,645.64 and 103,574.24

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Solution

The fourth proportional to 369,792.32, 554,645.64 and 103,574.24 is: 155,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,792.32 : 554,645.64 = 103,574.24 : x
  2. Step 2: Convert to fraction form
    369,792.32/554,645.64 = 103,574.24/x
  3. Step 3: Cross multiply
    369,792.32x = 554,645.64 × 103,574.24
  4. Step 4: Simplify right side
    369,792.32x = 57,447,000,632.31
  5. Step 5: Solve for x
    x = 57,447,000,632.31/369,792.32
  6. Step 6: Final answer
    x = 155,349.36

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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.