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Finding the Fourth Proportional to 571,963.80, 858,094.74 and 216,985.08

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Solution

The fourth proportional to 571,963.80, 858,094.74 and 216,985.08 is: 325,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,963.80 : 858,094.74 = 216,985.08 : x
  2. Step 2: Convert to fraction form
    571,963.80/858,094.74 = 216,985.08/x
  3. Step 3: Cross multiply
    571,963.80x = 858,094.74 × 216,985.08
  4. Step 4: Simplify right side
    571,963.80x = 186,193,755,806.48
  5. Step 5: Solve for x
    x = 186,193,755,806.48/571,963.80
  6. Step 6: Final answer
    x = 325,534.16

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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.