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Finding the Fourth Proportional to 525,482.03, 725,283.24 and 344,088.61

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Solution

The fourth proportional to 525,482.03, 725,283.24 and 344,088.61 is: 474,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,482.03 : 725,283.24 = 344,088.61 : x
  2. Step 2: Convert to fraction form
    525,482.03/725,283.24 = 344,088.61/x
  3. Step 3: Cross multiply
    525,482.03x = 725,283.24 × 344,088.61
  4. Step 4: Simplify right side
    525,482.03x = 249,561,699,772.11
  5. Step 5: Solve for x
    x = 249,561,699,772.11/525,482.03
  6. Step 6: Final answer
    x = 474,919.57

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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.