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Finding the Fourth Proportional to 541,482.05, 812,689.63 and 375,386.69

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Solution

The fourth proportional to 541,482.05, 812,689.63 and 375,386.69 is: 563,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,482.05 : 812,689.63 = 375,386.69 : x
  2. Step 2: Convert to fraction form
    541,482.05/812,689.63 = 375,386.69/x
  3. Step 3: Cross multiply
    541,482.05x = 812,689.63 × 375,386.69
  4. Step 4: Simplify right side
    541,482.05x = 305,072,865,201.11
  5. Step 5: Solve for x
    x = 305,072,865,201.11/541,482.05
  6. Step 6: Final answer
    x = 563,403.47

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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.