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Finding the Fourth Proportional to 697,417.84, 960,603.32 and 535,963.76

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Solution

The fourth proportional to 697,417.84, 960,603.32 and 535,963.76 is: 738,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,417.84 : 960,603.32 = 535,963.76 : x
  2. Step 2: Convert to fraction form
    697,417.84/960,603.32 = 535,963.76/x
  3. Step 3: Cross multiply
    697,417.84x = 960,603.32 × 535,963.76
  4. Step 4: Simplify right side
    697,417.84x = 514,848,567,255.68
  5. Step 5: Solve for x
    x = 514,848,567,255.68/697,417.84
  6. Step 6: Final answer
    x = 738,221.10

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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.