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Finding the Fourth Proportional to 595,100, 821,312.88 and 368,779.52

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Solution

The fourth proportional to 595,100, 821,312.88 and 368,779.52 is: 508,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,100 : 821,312.88 = 368,779.52 : x
  2. Step 2: Convert to fraction form
    595,100/821,312.88 = 368,779.52/x
  3. Step 3: Cross multiply
    595,100x = 821,312.88 × 368,779.52
  4. Step 4: Simplify right side
    595,100x = 302,883,369,656.22
  5. Step 5: Solve for x
    x = 302,883,369,656.22/595,100
  6. Step 6: Final answer
    x = 508,962.14

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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.