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Finding the Fourth Proportional to 768,222.02, 1,060,544.54 and 561,258

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Solution

The fourth proportional to 768,222.02, 1,060,544.54 and 561,258 is: 774,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,222.02 : 1,060,544.54 = 561,258 : x
  2. Step 2: Convert to fraction form
    768,222.02/1,060,544.54 = 561,258/x
  3. Step 3: Cross multiply
    768,222.02x = 1,060,544.54 × 561,258
  4. Step 4: Simplify right side
    768,222.02x = 595,239,108,834.47
  5. Step 5: Solve for x
    x = 595,239,108,834.47/768,222.02
  6. Step 6: Final answer
    x = 774,826.93

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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.