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Finding the Fourth Proportional to 593,108.80, 889,663.20 and 553,451.20

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Solution

The fourth proportional to 593,108.80, 889,663.20 and 553,451.20 is: 830,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,108.80 : 889,663.20 = 553,451.20 : x
  2. Step 2: Convert to fraction form
    593,108.80/889,663.20 = 553,451.20/x
  3. Step 3: Cross multiply
    593,108.80x = 889,663.20 × 553,451.20
  4. Step 4: Simplify right side
    593,108.80x = 492,385,165,635.84
  5. Step 5: Solve for x
    x = 492,385,165,635.84/593,108.80
  6. Step 6: Final answer
    x = 830,176.80

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Double scale
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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.