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Finding the Fourth Proportional to 507,390.60, 700,174.04 and 277,948.88

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Solution

The fourth proportional to 507,390.60, 700,174.04 and 277,948.88 is: 383,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,390.60 : 700,174.04 = 277,948.88 : x
  2. Step 2: Convert to fraction form
    507,390.60/700,174.04 = 277,948.88/x
  3. Step 3: Cross multiply
    507,390.60x = 700,174.04 × 277,948.88
  4. Step 4: Simplify right side
    507,390.60x = 194,612,590,223.08
  5. Step 5: Solve for x
    x = 194,612,590,223.08/507,390.60
  6. Step 6: Final answer
    x = 383,555.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.