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Finding the Fourth Proportional to 570,801.60, 856,202.40 and 349,617.60

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Solution

The fourth proportional to 570,801.60, 856,202.40 and 349,617.60 is: 524,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,801.60 : 856,202.40 = 349,617.60 : x
  2. Step 2: Convert to fraction form
    570,801.60/856,202.40 = 349,617.60/x
  3. Step 3: Cross multiply
    570,801.60x = 856,202.40 × 349,617.60
  4. Step 4: Simplify right side
    570,801.60x = 299,343,428,202.24
  5. Step 5: Solve for x
    x = 299,343,428,202.24/570,801.60
  6. Step 6: Final answer
    x = 524,426.40

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Double scale
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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.