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Finding the Fourth Proportional to 637,804.70, 958,132.65 and 532,828.70

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Solution

The fourth proportional to 637,804.70, 958,132.65 and 532,828.70 is: 800,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,804.70 : 958,132.65 = 532,828.70 : x
  2. Step 2: Convert to fraction form
    637,804.70/958,132.65 = 532,828.70/x
  3. Step 3: Cross multiply
    637,804.70x = 958,132.65 × 532,828.70
  4. Step 4: Simplify right side
    637,804.70x = 510,520,574,327.06
  5. Step 5: Solve for x
    x = 510,520,574,327.06/637,804.70
  6. Step 6: Final answer
    x = 800,434.01

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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.