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Finding the Fourth Proportional to 583,386.64, 805,073.57 and 328,746.94

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Solution

The fourth proportional to 583,386.64, 805,073.57 and 328,746.94 is: 453,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,386.64 : 805,073.57 = 328,746.94 : x
  2. Step 2: Convert to fraction form
    583,386.64/805,073.57 = 328,746.94/x
  3. Step 3: Cross multiply
    583,386.64x = 805,073.57 × 328,746.94
  4. Step 4: Simplify right side
    583,386.64x = 264,665,475,446.93
  5. Step 5: Solve for x
    x = 264,665,475,446.93/583,386.64
  6. Step 6: Final answer
    x = 453,670.78

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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.