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Finding the Fourth Proportional to 663,370.64, 915,582.16 and 462,050

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Solution

The fourth proportional to 663,370.64, 915,582.16 and 462,050 is: 637,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,370.64 : 915,582.16 = 462,050 : x
  2. Step 2: Convert to fraction form
    663,370.64/915,582.16 = 462,050/x
  3. Step 3: Cross multiply
    663,370.64x = 915,582.16 × 462,050
  4. Step 4: Simplify right side
    663,370.64x = 423,044,737,028
  5. Step 5: Solve for x
    x = 423,044,737,028/663,370.64
  6. Step 6: Final answer
    x = 637,720.02

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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.