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Finding the Fourth Proportional to 556,946.96, 768,587.58 and 302,298.20

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Solution

The fourth proportional to 556,946.96, 768,587.58 and 302,298.20 is: 417,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,946.96 : 768,587.58 = 302,298.20 : x
  2. Step 2: Convert to fraction form
    556,946.96/768,587.58 = 302,298.20/x
  3. Step 3: Cross multiply
    556,946.96x = 768,587.58 × 302,298.20
  4. Step 4: Simplify right side
    556,946.96x = 232,342,641,976.36
  5. Step 5: Solve for x
    x = 232,342,641,976.36/556,946.96
  6. Step 6: Final answer
    x = 417,171.94

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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.