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Finding the Fourth Proportional to 570,353.32, 855,235.14 and 250,374.16

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Solution

The fourth proportional to 570,353.32, 855,235.14 and 250,374.16 is: 375,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,353.32 : 855,235.14 = 250,374.16 : x
  2. Step 2: Convert to fraction form
    570,353.32/855,235.14 = 250,374.16/x
  3. Step 3: Cross multiply
    570,353.32x = 855,235.14 × 250,374.16
  4. Step 4: Simplify right side
    570,353.32x = 214,128,779,779.98
  5. Step 5: Solve for x
    x = 214,128,779,779.98/570,353.32
  6. Step 6: Final answer
    x = 375,431.81

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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.