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Finding the Fourth Proportional to 593,124.60, 889,686.90 and 219,070.20

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Solution

The fourth proportional to 593,124.60, 889,686.90 and 219,070.20 is: 328,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,124.60 : 889,686.90 = 219,070.20 : x
  2. Step 2: Convert to fraction form
    593,124.60/889,686.90 = 219,070.20/x
  3. Step 3: Cross multiply
    593,124.60x = 889,686.90 × 219,070.20
  4. Step 4: Simplify right side
    593,124.60x = 194,903,887,120.38
  5. Step 5: Solve for x
    x = 194,903,887,120.38/593,124.60
  6. Step 6: Final answer
    x = 328,605.30

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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.