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Finding the Fourth Proportional to 966,562, 1,333,818.64 and 536,869.68

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Solution

The fourth proportional to 966,562, 1,333,818.64 and 536,869.68 is: 740,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,562 : 1,333,818.64 = 536,869.68 : x
  2. Step 2: Convert to fraction form
    966,562/1,333,818.64 = 536,869.68/x
  3. Step 3: Cross multiply
    966,562x = 1,333,818.64 × 536,869.68
  4. Step 4: Simplify right side
    966,562x = 716,086,786,434.84
  5. Step 5: Solve for x
    x = 716,086,786,434.84/966,562
  6. Step 6: Final answer
    x = 740,859.65

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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.