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Finding the Fourth Proportional to 472,356.36, 651,804.57 and 265,602.78

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Solution

The fourth proportional to 472,356.36, 651,804.57 and 265,602.78 is: 366,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,356.36 : 651,804.57 = 265,602.78 : x
  2. Step 2: Convert to fraction form
    472,356.36/651,804.57 = 265,602.78/x
  3. Step 3: Cross multiply
    472,356.36x = 651,804.57 × 265,602.78
  4. Step 4: Simplify right side
    472,356.36x = 173,121,105,808.71
  5. Step 5: Solve for x
    x = 173,121,105,808.71/472,356.36
  6. Step 6: Final answer
    x = 366,505.29

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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.