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Finding the Fourth Proportional to 966,416.82, 1,333,673.28 and 536,737.20

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Solution

The fourth proportional to 966,416.82, 1,333,673.28 and 536,737.20 is: 740,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,416.82 : 1,333,673.28 = 536,737.20 : x
  2. Step 2: Convert to fraction form
    966,416.82/1,333,673.28 = 536,737.20/x
  3. Step 3: Cross multiply
    966,416.82x = 1,333,673.28 × 536,737.20
  4. Step 4: Simplify right side
    966,416.82x = 715,832,062,022.02
  5. Step 5: Solve for x
    x = 715,832,062,022.02/966,416.82
  6. Step 6: Final answer
    x = 740,707.37

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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.