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Finding the Fourth Proportional to 395,931.70, 593,897.55 and 373,122.10

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Solution

The fourth proportional to 395,931.70, 593,897.55 and 373,122.10 is: 559,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,931.70 : 593,897.55 = 373,122.10 : x
  2. Step 2: Convert to fraction form
    395,931.70/593,897.55 = 373,122.10/x
  3. Step 3: Cross multiply
    395,931.70x = 593,897.55 × 373,122.10
  4. Step 4: Simplify right side
    395,931.70x = 221,596,301,040.86
  5. Step 5: Solve for x
    x = 221,596,301,040.86/395,931.70
  6. Step 6: Final answer
    x = 559,683.15

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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.