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Finding the Fourth Proportional to 604,386.12, 834,011.72 and 349,775.58

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Solution

The fourth proportional to 604,386.12, 834,011.72 and 349,775.58 is: 482,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,386.12 : 834,011.72 = 349,775.58 : x
  2. Step 2: Convert to fraction form
    604,386.12/834,011.72 = 349,775.58/x
  3. Step 3: Cross multiply
    604,386.12x = 834,011.72 × 349,775.58
  4. Step 4: Simplify right side
    604,386.12x = 291,716,933,089.80
  5. Step 5: Solve for x
    x = 291,716,933,089.80/604,386.12
  6. Step 6: Final answer
    x = 482,666.50

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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.