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Finding the Fourth Proportional to 3,314,410.02, 4,971,721.95 and 918,277.74

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Solution

The fourth proportional to 3,314,410.02, 4,971,721.95 and 918,277.74 is: 1,377,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,410.02 : 4,971,721.95 = 918,277.74 : x
  2. Step 2: Convert to fraction form
    3,314,410.02/4,971,721.95 = 918,277.74/x
  3. Step 3: Cross multiply
    3,314,410.02x = 4,971,721.95 × 918,277.74
  4. Step 4: Simplify right side
    3,314,410.02x = 4,565,421,596,154.39
  5. Step 5: Solve for x
    x = 4,565,421,596,154.39/3,314,410.02
  6. Step 6: Final answer
    x = 1,377,446.23

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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.