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Finding the Fourth Proportional to 652,407.80, 977,445.30 and 559,095.80

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Solution

The fourth proportional to 652,407.80, 977,445.30 and 559,095.80 is: 837,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,407.80 : 977,445.30 = 559,095.80 : x
  2. Step 2: Convert to fraction form
    652,407.80/977,445.30 = 559,095.80/x
  3. Step 3: Cross multiply
    652,407.80x = 977,445.30 × 559,095.80
  4. Step 4: Simplify right side
    652,407.80x = 546,485,561,959.74
  5. Step 5: Solve for x
    x = 546,485,561,959.74/652,407.80
  6. Step 6: Final answer
    x = 837,644.13

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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.