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Finding the Fourth Proportional to 583,888.70, 805,790.32 and 368,950.34

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Solution

The fourth proportional to 583,888.70, 805,790.32 and 368,950.34 is: 509,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,888.70 : 805,790.32 = 368,950.34 : x
  2. Step 2: Convert to fraction form
    583,888.70/805,790.32 = 368,950.34/x
  3. Step 3: Cross multiply
    583,888.70x = 805,790.32 × 368,950.34
  4. Step 4: Simplify right side
    583,888.70x = 297,296,612,532.71
  5. Step 5: Solve for x
    x = 297,296,612,532.71/583,888.70
  6. Step 6: Final answer
    x = 509,166.58

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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.