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Finding the Fourth Proportional to 582,840, 874,219.87 and 358,235.10

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Solution

The fourth proportional to 582,840, 874,219.87 and 358,235.10 is: 537,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,840 : 874,219.87 = 358,235.10 : x
  2. Step 2: Convert to fraction form
    582,840/874,219.87 = 358,235.10/x
  3. Step 3: Cross multiply
    582,840x = 874,219.87 × 358,235.10
  4. Step 4: Simplify right side
    582,840x = 313,176,242,999.23
  5. Step 5: Solve for x
    x = 313,176,242,999.23/582,840
  6. Step 6: Final answer
    x = 537,327.99

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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.