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Finding the Fourth Proportional to 575,779.08, 861,897.16 and 375,668.58

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Solution

The fourth proportional to 575,779.08, 861,897.16 and 375,668.58 is: 562,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,779.08 : 861,897.16 = 375,668.58 : x
  2. Step 2: Convert to fraction form
    575,779.08/861,897.16 = 375,668.58/x
  3. Step 3: Cross multiply
    575,779.08x = 861,897.16 × 375,668.58
  4. Step 4: Simplify right side
    575,779.08x = 323,787,683,791.80
  5. Step 5: Solve for x
    x = 323,787,683,791.80/575,779.08
  6. Step 6: Final answer
    x = 562,347.08

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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.