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Finding the Fourth Proportional to 653,220, 901,374.48 and 366,772.32

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Solution

The fourth proportional to 653,220, 901,374.48 and 366,772.32 is: 506,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,220 : 901,374.48 = 366,772.32 : x
  2. Step 2: Convert to fraction form
    653,220/901,374.48 = 366,772.32/x
  3. Step 3: Cross multiply
    653,220x = 901,374.48 × 366,772.32
  4. Step 4: Simplify right side
    653,220x = 330,599,209,218.39
  5. Step 5: Solve for x
    x = 330,599,209,218.39/653,220
  6. Step 6: Final answer
    x = 506,106.99

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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.