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Finding the Fourth Proportional to 707,124.53, 975,853.57 and 401,213.65

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Solution

The fourth proportional to 707,124.53, 975,853.57 and 401,213.65 is: 553,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,124.53 : 975,853.57 = 401,213.65 : x
  2. Step 2: Convert to fraction form
    707,124.53/975,853.57 = 401,213.65/x
  3. Step 3: Cross multiply
    707,124.53x = 975,853.57 × 401,213.65
  4. Step 4: Simplify right side
    707,124.53x = 391,525,772,685.23
  5. Step 5: Solve for x
    x = 391,525,772,685.23/707,124.53
  6. Step 6: Final answer
    x = 553,687.16

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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.