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Finding the Fourth Proportional to 604,548.90, 905,511.15 and 499,572.90

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Solution

The fourth proportional to 604,548.90, 905,511.15 and 499,572.90 is: 748,275.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,548.90 : 905,511.15 = 499,572.90 : x
  2. Step 2: Convert to fraction form
    604,548.90/905,511.15 = 499,572.90/x
  3. Step 3: Cross multiply
    604,548.90x = 905,511.15 × 499,572.90
  4. Step 4: Simplify right side
    604,548.90x = 452,368,831,187.84
  5. Step 5: Solve for x
    x = 452,368,831,187.84/604,548.90
  6. Step 6: Final answer
    x = 748,275.01

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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.