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Finding the Fourth Proportional to 586,603.90, 879,862.08 and 202,315.18

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Solution

The fourth proportional to 586,603.90, 879,862.08 and 202,315.18 is: 303,457.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,603.90 : 879,862.08 = 202,315.18 : x
  2. Step 2: Convert to fraction form
    586,603.90/879,862.08 = 202,315.18/x
  3. Step 3: Cross multiply
    586,603.90x = 879,862.08 × 202,315.18
  4. Step 4: Simplify right side
    586,603.90x = 178,009,455,090.37
  5. Step 5: Solve for x
    x = 178,009,455,090.37/586,603.90
  6. Step 6: Final answer
    x = 303,457.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.