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Finding the Fourth Proportional to 590,047.20, 885,070.80 and 163,582.20

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Solution

The fourth proportional to 590,047.20, 885,070.80 and 163,582.20 is: 245,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,047.20 : 885,070.80 = 163,582.20 : x
  2. Step 2: Convert to fraction form
    590,047.20/885,070.80 = 163,582.20/x
  3. Step 3: Cross multiply
    590,047.20x = 885,070.80 × 163,582.20
  4. Step 4: Simplify right side
    590,047.20x = 144,781,828,619.76
  5. Step 5: Solve for x
    x = 144,781,828,619.76/590,047.20
  6. Step 6: Final answer
    x = 245,373.30

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Similar ratio
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1.5x scale

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.