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Finding the Fourth Proportional to 761,798.17, 1,051,274.73 and 417,627.84

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Solution

The fourth proportional to 761,798.17, 1,051,274.73 and 417,627.84 is: 576,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,798.17 : 1,051,274.73 = 417,627.84 : x
  2. Step 2: Convert to fraction form
    761,798.17/1,051,274.73 = 417,627.84/x
  3. Step 3: Cross multiply
    761,798.17x = 1,051,274.73 × 417,627.84
  4. Step 4: Simplify right side
    761,798.17x = 439,041,594,736.48
  5. Step 5: Solve for x
    x = 439,041,594,736.48/761,798.17
  6. Step 6: Final answer
    x = 576,322.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.