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Finding the Fourth Proportional to 604,038.60, 906,057.90 and 543,904.20

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Solution

The fourth proportional to 604,038.60, 906,057.90 and 543,904.20 is: 815,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,038.60 : 906,057.90 = 543,904.20 : x
  2. Step 2: Convert to fraction form
    604,038.60/906,057.90 = 543,904.20/x
  3. Step 3: Cross multiply
    604,038.60x = 906,057.90 × 543,904.20
  4. Step 4: Simplify right side
    604,038.60x = 492,808,697,253.18
  5. Step 5: Solve for x
    x = 492,808,697,253.18/604,038.60
  6. Step 6: Final answer
    x = 815,856.30

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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.