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Finding the Fourth Proportional to 662,597.55, 993,677.63 and 213,210.97

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Solution

The fourth proportional to 662,597.55, 993,677.63 and 213,210.97 is: 319,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,597.55 : 993,677.63 = 213,210.97 : x
  2. Step 2: Convert to fraction form
    662,597.55/993,677.63 = 213,210.97/x
  3. Step 3: Cross multiply
    662,597.55x = 993,677.63 × 213,210.97
  4. Step 4: Simplify right side
    662,597.55x = 211,862,967,809.35
  5. Step 5: Solve for x
    x = 211,862,967,809.35/662,597.55
  6. Step 6: Final answer
    x = 319,746.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.