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Finding the Fourth Proportional to 604,519.40, 907,124.70 and 230,810.60

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Solution

The fourth proportional to 604,519.40, 907,124.70 and 230,810.60 is: 346,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,519.40 : 907,124.70 = 230,810.60 : x
  2. Step 2: Convert to fraction form
    604,519.40/907,124.70 = 230,810.60/x
  3. Step 3: Cross multiply
    604,519.40x = 907,124.70 × 230,810.60
  4. Step 4: Simplify right side
    604,519.40x = 209,373,996,281.82
  5. Step 5: Solve for x
    x = 209,373,996,281.82/604,519.40
  6. Step 6: Final answer
    x = 346,347.85

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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.