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Finding the Fourth Proportional to 589,095.20, 883,059.60 and 289,330.40

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Solution

The fourth proportional to 589,095.20, 883,059.60 and 289,330.40 is: 433,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,095.20 : 883,059.60 = 289,330.40 : x
  2. Step 2: Convert to fraction form
    589,095.20/883,059.60 = 289,330.40/x
  3. Step 3: Cross multiply
    589,095.20x = 883,059.60 × 289,330.40
  4. Step 4: Simplify right side
    589,095.20x = 255,495,987,291.84
  5. Step 5: Solve for x
    x = 255,495,987,291.84/589,095.20
  6. Step 6: Final answer
    x = 433,709.16

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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.