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Finding the Fourth Proportional to 583,683.03, 805,607.82 and 368,686.35

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Solution

The fourth proportional to 583,683.03, 805,607.82 and 368,686.35 is: 508,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,683.03 : 805,607.82 = 368,686.35 : x
  2. Step 2: Convert to fraction form
    583,683.03/805,607.82 = 368,686.35/x
  3. Step 3: Cross multiply
    583,683.03x = 805,607.82 × 368,686.35
  4. Step 4: Simplify right side
    583,683.03x = 297,016,606,687.26
  5. Step 5: Solve for x
    x = 297,016,606,687.26/583,683.03
  6. Step 6: Final answer
    x = 508,866.27

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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.