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Finding the Fourth Proportional to 375,779.60, 562,357.20 and 262,930.40

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Solution

The fourth proportional to 375,779.60, 562,357.20 and 262,930.40 is: 393,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,779.60 : 562,357.20 = 262,930.40 : x
  2. Step 2: Convert to fraction form
    375,779.60/562,357.20 = 262,930.40/x
  3. Step 3: Cross multiply
    375,779.60x = 562,357.20 × 262,930.40
  4. Step 4: Simplify right side
    375,779.60x = 147,860,803,538.88
  5. Step 5: Solve for x
    x = 147,860,803,538.88/375,779.60
  6. Step 6: Final answer
    x = 393,477.46

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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.