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Finding the Fourth Proportional to 584,421.83, 875,900.95 and 313,885.14

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Solution

The fourth proportional to 584,421.83, 875,900.95 and 313,885.14 is: 470,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,421.83 : 875,900.95 = 313,885.14 : x
  2. Step 2: Convert to fraction form
    584,421.83/875,900.95 = 313,885.14/x
  3. Step 3: Cross multiply
    584,421.83x = 875,900.95 × 313,885.14
  4. Step 4: Simplify right side
    584,421.83x = 274,932,291,532.17
  5. Step 5: Solve for x
    x = 274,932,291,532.17/584,421.83
  6. Step 6: Final answer
    x = 470,434.68

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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.