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Finding the Fourth Proportional to 556,590.96, 768,095.73 and 314,868.42

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Solution

The fourth proportional to 556,590.96, 768,095.73 and 314,868.42 is: 434,518.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,590.96 : 768,095.73 = 314,868.42 : x
  2. Step 2: Convert to fraction form
    556,590.96/768,095.73 = 314,868.42/x
  3. Step 3: Cross multiply
    556,590.96x = 768,095.73 × 314,868.42
  4. Step 4: Simplify right side
    556,590.96x = 241,849,088,913.85
  5. Step 5: Solve for x
    x = 241,849,088,913.85/556,590.96
  6. Step 6: Final answer
    x = 434,518.54

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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.