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Finding the Fourth Proportional to 517,042.04, 775,572.78 and 162,048.20

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Solution

The fourth proportional to 517,042.04, 775,572.78 and 162,048.20 is: 243,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,042.04 : 775,572.78 = 162,048.20 : x
  2. Step 2: Convert to fraction form
    517,042.04/775,572.78 = 162,048.20/x
  3. Step 3: Cross multiply
    517,042.04x = 775,572.78 × 162,048.20
  4. Step 4: Simplify right side
    517,042.04x = 125,680,172,968.00
  5. Step 5: Solve for x
    x = 125,680,172,968.00/517,042.04
  6. Step 6: Final answer
    x = 243,075.35

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1.5x scale

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.