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Finding the Fourth Proportional to 429,562.26, 592,860.60 and 309,102.30

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Solution

The fourth proportional to 429,562.26, 592,860.60 and 309,102.30 is: 426,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,562.26 : 592,860.60 = 309,102.30 : x
  2. Step 2: Convert to fraction form
    429,562.26/592,860.60 = 309,102.30/x
  3. Step 3: Cross multiply
    429,562.26x = 592,860.60 × 309,102.30
  4. Step 4: Simplify right side
    429,562.26x = 183,254,575,039.38
  5. Step 5: Solve for x
    x = 183,254,575,039.38/429,562.26
  6. Step 6: Final answer
    x = 426,607.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.