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Finding the Fourth Proportional to 528,025.90, 792,038.85 and 191,065.90

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Solution

The fourth proportional to 528,025.90, 792,038.85 and 191,065.90 is: 286,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,025.90 : 792,038.85 = 191,065.90 : x
  2. Step 2: Convert to fraction form
    528,025.90/792,038.85 = 191,065.90/x
  3. Step 3: Cross multiply
    528,025.90x = 792,038.85 × 191,065.90
  4. Step 4: Simplify right side
    528,025.90x = 151,331,615,710.22
  5. Step 5: Solve for x
    x = 151,331,615,710.22/528,025.90
  6. Step 6: Final answer
    x = 286,598.85

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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.