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Finding the Fourth Proportional to 623,756.61, 860,572.69 and 508,836.59

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Solution

The fourth proportional to 623,756.61, 860,572.69 and 508,836.59 is: 702,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,756.61 : 860,572.69 = 508,836.59 : x
  2. Step 2: Convert to fraction form
    623,756.61/860,572.69 = 508,836.59/x
  3. Step 3: Cross multiply
    623,756.61x = 860,572.69 × 508,836.59
  4. Step 4: Simplify right side
    623,756.61x = 437,890,874,860.14
  5. Step 5: Solve for x
    x = 437,890,874,860.14/623,756.61
  6. Step 6: Final answer
    x = 702,022.02

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1.5x scale

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.