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Finding the Fourth Proportional to 653,012.86, 901,108.33 and 366,477.60

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Solution

The fourth proportional to 653,012.86, 901,108.33 and 366,477.60 is: 505,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,012.86 : 901,108.33 = 366,477.60 : x
  2. Step 2: Convert to fraction form
    653,012.86/901,108.33 = 366,477.60/x
  3. Step 3: Cross multiply
    653,012.86x = 901,108.33 × 366,477.60
  4. Step 4: Simplify right side
    653,012.86x = 330,236,018,118.41
  5. Step 5: Solve for x
    x = 330,236,018,118.41/653,012.86
  6. Step 6: Final answer
    x = 505,711.35

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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.