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Finding the Fourth Proportional to 563,114.94, 776,475.93 and 358,842.30

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Solution

The fourth proportional to 563,114.94, 776,475.93 and 358,842.30 is: 494,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,114.94 : 776,475.93 = 358,842.30 : x
  2. Step 2: Convert to fraction form
    563,114.94/776,475.93 = 358,842.30/x
  3. Step 3: Cross multiply
    563,114.94x = 776,475.93 × 358,842.30
  4. Step 4: Simplify right side
    563,114.94x = 278,632,408,615.84
  5. Step 5: Solve for x
    x = 278,632,408,615.84/563,114.94
  6. Step 6: Final answer
    x = 494,805.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.