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Finding the Fourth Proportional to 607,154.42, 910,565.40 and 228,045.86

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Solution

The fourth proportional to 607,154.42, 910,565.40 and 228,045.86 is: 342,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,154.42 : 910,565.40 = 228,045.86 : x
  2. Step 2: Convert to fraction form
    607,154.42/910,565.40 = 228,045.86/x
  3. Step 3: Cross multiply
    607,154.42x = 910,565.40 × 228,045.86
  4. Step 4: Simplify right side
    607,154.42x = 207,650,669,729.24
  5. Step 5: Solve for x
    x = 207,650,669,729.24/607,154.42
  6. Step 6: Final answer
    x = 342,006.35

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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.