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Finding the Fourth Proportional to 386,570.01, 533,465.01 and 216,804.27

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Solution

The fourth proportional to 386,570.01, 533,465.01 and 216,804.27 is: 299,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,570.01 : 533,465.01 = 216,804.27 : x
  2. Step 2: Convert to fraction form
    386,570.01/533,465.01 = 216,804.27/x
  3. Step 3: Cross multiply
    386,570.01x = 533,465.01 × 216,804.27
  4. Step 4: Simplify right side
    386,570.01x = 115,657,492,063.59
  5. Step 5: Solve for x
    x = 115,657,492,063.59/386,570.01
  6. Step 6: Final answer
    x = 299,188.99

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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.