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Finding the Fourth Proportional to 594,648.80, 891,973.20 and 395,237.60

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Solution

The fourth proportional to 594,648.80, 891,973.20 and 395,237.60 is: 592,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,648.80 : 891,973.20 = 395,237.60 : x
  2. Step 2: Convert to fraction form
    594,648.80/891,973.20 = 395,237.60/x
  3. Step 3: Cross multiply
    594,648.80x = 891,973.20 × 395,237.60
  4. Step 4: Simplify right side
    594,648.80x = 352,541,346,832.32
  5. Step 5: Solve for x
    x = 352,541,346,832.32/594,648.80
  6. Step 6: Final answer
    x = 592,856.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.