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Finding the Fourth Proportional to 478,547.63, 717,946.05 and 179,051.63

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Solution

The fourth proportional to 478,547.63, 717,946.05 and 179,051.63 is: 268,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,547.63 : 717,946.05 = 179,051.63 : x
  2. Step 2: Convert to fraction form
    478,547.63/717,946.05 = 179,051.63/x
  3. Step 3: Cross multiply
    478,547.63x = 717,946.05 × 179,051.63
  4. Step 4: Simplify right side
    478,547.63x = 128,549,410,504.56
  5. Step 5: Solve for x
    x = 128,549,410,504.56/478,547.63
  6. Step 6: Final answer
    x = 268,624.07

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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.