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Finding the Fourth Proportional to 346,865.76, 520,298.80 and 97,547.76

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Solution

The fourth proportional to 346,865.76, 520,298.80 and 97,547.76 is: 146,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,865.76 : 520,298.80 = 97,547.76 : x
  2. Step 2: Convert to fraction form
    346,865.76/520,298.80 = 97,547.76/x
  3. Step 3: Cross multiply
    346,865.76x = 520,298.80 × 97,547.76
  4. Step 4: Simplify right side
    346,865.76x = 50,753,982,470.69
  5. Step 5: Solve for x
    x = 50,753,982,470.69/346,865.76
  6. Step 6: Final answer
    x = 146,321.68

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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.