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Finding the Fourth Proportional to 573,444.60, 859,875.30 and 336,859.80

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Solution

The fourth proportional to 573,444.60, 859,875.30 and 336,859.80 is: 505,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,444.60 : 859,875.30 = 336,859.80 : x
  2. Step 2: Convert to fraction form
    573,444.60/859,875.30 = 336,859.80/x
  3. Step 3: Cross multiply
    573,444.60x = 859,875.30 × 336,859.80
  4. Step 4: Simplify right side
    573,444.60x = 289,657,421,582.94
  5. Step 5: Solve for x
    x = 289,657,421,582.94/573,444.60
  6. Step 6: Final answer
    x = 505,118.40

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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.