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Finding the Fourth Proportional to 553,907.24, 763,496.52 and 432,838.16

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Solution

The fourth proportional to 553,907.24, 763,496.52 and 432,838.16 is: 596,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,907.24 : 763,496.52 = 432,838.16 : x
  2. Step 2: Convert to fraction form
    553,907.24/763,496.52 = 432,838.16/x
  3. Step 3: Cross multiply
    553,907.24x = 763,496.52 × 432,838.16
  4. Step 4: Simplify right side
    553,907.24x = 330,470,428,883.20
  5. Step 5: Solve for x
    x = 330,470,428,883.20/553,907.24
  6. Step 6: Final answer
    x = 596,616.92

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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.