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Finding the Fourth Proportional to 570,903.60, 856,355.40 and 334,513.20

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Solution

The fourth proportional to 570,903.60, 856,355.40 and 334,513.20 is: 501,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,903.60 : 856,355.40 = 334,513.20 : x
  2. Step 2: Convert to fraction form
    570,903.60/856,355.40 = 334,513.20/x
  3. Step 3: Cross multiply
    570,903.60x = 856,355.40 × 334,513.20
  4. Step 4: Simplify right side
    570,903.60x = 286,462,185,191.28
  5. Step 5: Solve for x
    x = 286,462,185,191.28/570,903.60
  6. Step 6: Final answer
    x = 501,769.80

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Similar ratio
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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.