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Finding the Fourth Proportional to 593,999.90, 890,999.85 and 559,007.90

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Solution

The fourth proportional to 593,999.90, 890,999.85 and 559,007.90 is: 838,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,999.90 : 890,999.85 = 559,007.90 : x
  2. Step 2: Convert to fraction form
    593,999.90/890,999.85 = 559,007.90/x
  3. Step 3: Cross multiply
    593,999.90x = 890,999.85 × 559,007.90
  4. Step 4: Simplify right side
    593,999.90x = 498,075,955,048.82
  5. Step 5: Solve for x
    x = 498,075,955,048.82/593,999.90
  6. Step 6: Final answer
    x = 838,511.85

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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.