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Finding the Fourth Proportional to 907.34, 1,252.50 and 592.85

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Solution

The fourth proportional to 907.34, 1,252.50 and 592.85 is: 818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.34 : 1,252.50 = 592.85 : x
  2. Step 2: Convert to fraction form
    907.34/1,252.50 = 592.85/x
  3. Step 3: Cross multiply
    907.34x = 1,252.50 × 592.85
  4. Step 4: Simplify right side
    907.34x = 742,545.53
  5. Step 5: Solve for x
    x = 742,545.53/907.34
  6. Step 6: Final answer
    x = 818.38

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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.