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Finding the Fourth Proportional to 648,934.60, 895,564.74 and 362,461

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Solution

The fourth proportional to 648,934.60, 895,564.74 and 362,461 is: 500,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,934.60 : 895,564.74 = 362,461 : x
  2. Step 2: Convert to fraction form
    648,934.60/895,564.74 = 362,461/x
  3. Step 3: Cross multiply
    648,934.60x = 895,564.74 × 362,461
  4. Step 4: Simplify right side
    648,934.60x = 324,607,291,225.14
  5. Step 5: Solve for x
    x = 324,607,291,225.14/648,934.60
  6. Step 6: Final answer
    x = 500,215.72

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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.