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Finding the Fourth Proportional to 615,708.93, 849,210.59 and 529,811.77

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Solution

The fourth proportional to 615,708.93, 849,210.59 and 529,811.77 is: 730,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,708.93 : 849,210.59 = 529,811.77 : x
  2. Step 2: Convert to fraction form
    615,708.93/849,210.59 = 529,811.77/x
  3. Step 3: Cross multiply
    615,708.93x = 849,210.59 × 529,811.77
  4. Step 4: Simplify right side
    615,708.93x = 449,921,765,790.64
  5. Step 5: Solve for x
    x = 449,921,765,790.64/615,708.93
  6. Step 6: Final answer
    x = 730,737.76

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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.