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Finding the Fourth Proportional to 653,345.60, 901,554.18 and 366,800

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Solution

The fourth proportional to 653,345.60, 901,554.18 and 366,800 is: 506,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,345.60 : 901,554.18 = 366,800 : x
  2. Step 2: Convert to fraction form
    653,345.60/901,554.18 = 366,800/x
  3. Step 3: Cross multiply
    653,345.60x = 901,554.18 × 366,800
  4. Step 4: Simplify right side
    653,345.60x = 330,690,073,224
  5. Step 5: Solve for x
    x = 330,690,073,224/653,345.60
  6. Step 6: Final answer
    x = 506,148.77

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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.