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Finding the Fourth Proportional to 593,091.80, 889,637.70 and 553,434.20

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Solution

The fourth proportional to 593,091.80, 889,637.70 and 553,434.20 is: 830,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,091.80 : 889,637.70 = 553,434.20 : x
  2. Step 2: Convert to fraction form
    593,091.80/889,637.70 = 553,434.20/x
  3. Step 3: Cross multiply
    593,091.80x = 889,637.70 × 553,434.20
  4. Step 4: Simplify right side
    593,091.80x = 492,355,928,789.34
  5. Step 5: Solve for x
    x = 492,355,928,789.34/593,091.80
  6. Step 6: Final answer
    x = 830,151.30

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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.