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Finding the Fourth Proportional to 563,543.65, 777,769.96 and 348,752.91

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Solution

The fourth proportional to 563,543.65, 777,769.96 and 348,752.91 is: 481,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,543.65 : 777,769.96 = 348,752.91 : x
  2. Step 2: Convert to fraction form
    563,543.65/777,769.96 = 348,752.91/x
  3. Step 3: Cross multiply
    563,543.65x = 777,769.96 × 348,752.91
  4. Step 4: Simplify right side
    563,543.65x = 271,249,536,860.58
  5. Step 5: Solve for x
    x = 271,249,536,860.58/563,543.65
  6. Step 6: Final answer
    x = 481,328.36

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1.5x scale

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.