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Finding the Fourth Proportional to 693,098.25, 956,478.47 and 375,146.25

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Solution

The fourth proportional to 693,098.25, 956,478.47 and 375,146.25 is: 517,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,098.25 : 956,478.47 = 375,146.25 : x
  2. Step 2: Convert to fraction form
    693,098.25/956,478.47 = 375,146.25/x
  3. Step 3: Cross multiply
    693,098.25x = 956,478.47 × 375,146.25
  4. Step 4: Simplify right side
    693,098.25x = 358,819,309,350.51
  5. Step 5: Solve for x
    x = 358,819,309,350.51/693,098.25
  6. Step 6: Final answer
    x = 517,703.38

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Double scale
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Similar ratio
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1.5x scale

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.