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Finding the Fourth Proportional to 705,543.54, 973,717.84 and 395,444.58

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Solution

The fourth proportional to 705,543.54, 973,717.84 and 395,444.58 is: 545,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,543.54 : 973,717.84 = 395,444.58 : x
  2. Step 2: Convert to fraction form
    705,543.54/973,717.84 = 395,444.58/x
  3. Step 3: Cross multiply
    705,543.54x = 973,717.84 × 395,444.58
  4. Step 4: Simplify right side
    705,543.54x = 385,051,445,303.63
  5. Step 5: Solve for x
    x = 385,051,445,303.63/705,543.54
  6. Step 6: Final answer
    x = 545,751.50

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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.