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Finding the Fourth Proportional to 582,803.90, 873,984.42 and 278,886.10

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Solution

The fourth proportional to 582,803.90, 873,984.42 and 278,886.10 is: 418,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,803.90 : 873,984.42 = 278,886.10 : x
  2. Step 2: Convert to fraction form
    582,803.90/873,984.42 = 278,886.10/x
  3. Step 3: Cross multiply
    582,803.90x = 873,984.42 × 278,886.10
  4. Step 4: Simplify right side
    582,803.90x = 243,742,106,592.69
  5. Step 5: Solve for x
    x = 243,742,106,592.69/582,803.90
  6. Step 6: Final answer
    x = 418,223.19

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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.