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Finding the Fourth Proportional to 571,683.04, 857,531.80 and 216,601.68

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Solution

The fourth proportional to 571,683.04, 857,531.80 and 216,601.68 is: 324,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,683.04 : 857,531.80 = 216,601.68 : x
  2. Step 2: Convert to fraction form
    571,683.04/857,531.80 = 216,601.68/x
  3. Step 3: Cross multiply
    571,683.04x = 857,531.80 × 216,601.68
  4. Step 4: Simplify right side
    571,683.04x = 185,742,828,533.42
  5. Step 5: Solve for x
    x = 185,742,828,533.42/571,683.04
  6. Step 6: Final answer
    x = 324,905.26

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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.