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Finding the Fourth Proportional to 604,964.30, 907,446.45 and 575,439.80

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Solution

The fourth proportional to 604,964.30, 907,446.45 and 575,439.80 is: 863,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,964.30 : 907,446.45 = 575,439.80 : x
  2. Step 2: Convert to fraction form
    604,964.30/907,446.45 = 575,439.80/x
  3. Step 3: Cross multiply
    604,964.30x = 907,446.45 × 575,439.80
  4. Step 4: Simplify right side
    604,964.30x = 522,180,803,698.71
  5. Step 5: Solve for x
    x = 522,180,803,698.71/604,964.30
  6. Step 6: Final answer
    x = 863,159.70

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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.