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Finding the Fourth Proportional to 692,987, 956,322.06 and 375,035

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Solution

The fourth proportional to 692,987, 956,322.06 and 375,035 is: 517,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,987 : 956,322.06 = 375,035 : x
  2. Step 2: Convert to fraction form
    692,987/956,322.06 = 375,035/x
  3. Step 3: Cross multiply
    692,987x = 956,322.06 × 375,035
  4. Step 4: Simplify right side
    692,987x = 358,654,243,772.10
  5. Step 5: Solve for x
    x = 358,654,243,772.10/692,987
  6. Step 6: Final answer
    x = 517,548.30

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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.