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Finding the Fourth Proportional to 554,423.90, 832,024.65 and 355,228.70

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Solution

The fourth proportional to 554,423.90, 832,024.65 and 355,228.70 is: 533,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,423.90 : 832,024.65 = 355,228.70 : x
  2. Step 2: Convert to fraction form
    554,423.90/832,024.65 = 355,228.70/x
  3. Step 3: Cross multiply
    554,423.90x = 832,024.65 × 355,228.70
  4. Step 4: Simplify right side
    554,423.90x = 295,559,034,787.46
  5. Step 5: Solve for x
    x = 295,559,034,787.46/554,423.90
  6. Step 6: Final answer
    x = 533,092.16

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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.