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Finding the Fourth Proportional to 437,070.59, 603,176.01 and 243,478.06

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Solution

The fourth proportional to 437,070.59, 603,176.01 and 243,478.06 is: 336,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,070.59 : 603,176.01 = 243,478.06 : x
  2. Step 2: Convert to fraction form
    437,070.59/603,176.01 = 243,478.06/x
  3. Step 3: Cross multiply
    437,070.59x = 603,176.01 × 243,478.06
  4. Step 4: Simplify right side
    437,070.59x = 146,860,124,753.34
  5. Step 5: Solve for x
    x = 146,860,124,753.34/437,070.59
  6. Step 6: Final answer
    x = 336,010.08

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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.