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Finding the Fourth Proportional to 704,911.55, 970,319.44 and 608,421.53

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Solution

The fourth proportional to 704,911.55, 970,319.44 and 608,421.53 is: 837,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,911.55 : 970,319.44 = 608,421.53 : x
  2. Step 2: Convert to fraction form
    704,911.55/970,319.44 = 608,421.53/x
  3. Step 3: Cross multiply
    704,911.55x = 970,319.44 × 608,421.53
  4. Step 4: Simplify right side
    704,911.55x = 590,363,238,273.54
  5. Step 5: Solve for x
    x = 590,363,238,273.54/704,911.55
  6. Step 6: Final answer
    x = 837,499.74

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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.