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Finding the Fourth Proportional to 571,148.60, 856,722.90 and 544,904.60

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Solution

The fourth proportional to 571,148.60, 856,722.90 and 544,904.60 is: 817,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,148.60 : 856,722.90 = 544,904.60 : x
  2. Step 2: Convert to fraction form
    571,148.60/856,722.90 = 544,904.60/x
  3. Step 3: Cross multiply
    571,148.60x = 856,722.90 × 544,904.60
  4. Step 4: Simplify right side
    571,148.60x = 466,832,249,135.34
  5. Step 5: Solve for x
    x = 466,832,249,135.34/571,148.60
  6. Step 6: Final answer
    x = 817,356.90

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Double scale
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Similar ratio
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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.