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Finding the Fourth Proportional to 584,688, 877,060.80 and 190,704

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Solution

The fourth proportional to 584,688, 877,060.80 and 190,704 is: 286,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,688 : 877,060.80 = 190,704 : x
  2. Step 2: Convert to fraction form
    584,688/877,060.80 = 190,704/x
  3. Step 3: Cross multiply
    584,688x = 877,060.80 × 190,704
  4. Step 4: Simplify right side
    584,688x = 167,259,002,803.20
  5. Step 5: Solve for x
    x = 167,259,002,803.20/584,688
  6. Step 6: Final answer
    x = 286,065.39

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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.