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Finding the Fourth Proportional to 603,903.90, 907,605.45 and 593,406.30

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Solution

The fourth proportional to 603,903.90, 907,605.45 and 593,406.30 is: 891,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,903.90 : 907,605.45 = 593,406.30 : x
  2. Step 2: Convert to fraction form
    603,903.90/907,605.45 = 593,406.30/x
  3. Step 3: Cross multiply
    603,903.90x = 907,605.45 × 593,406.30
  4. Step 4: Simplify right side
    603,903.90x = 538,578,791,944.34
  5. Step 5: Solve for x
    x = 538,578,791,944.34/603,903.90
  6. Step 6: Final answer
    x = 891,828.64

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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.