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Finding the Fourth Proportional to 698,272.66, 963,657.56 and 525,886.58

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Solution

The fourth proportional to 698,272.66, 963,657.56 and 525,886.58 is: 725,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,272.66 : 963,657.56 = 525,886.58 : x
  2. Step 2: Convert to fraction form
    698,272.66/963,657.56 = 525,886.58/x
  3. Step 3: Cross multiply
    698,272.66x = 963,657.56 × 525,886.58
  4. Step 4: Simplify right side
    698,272.66x = 506,774,578,519.55
  5. Step 5: Solve for x
    x = 506,774,578,519.55/698,272.66
  6. Step 6: Final answer
    x = 725,754.58

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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.