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Finding the Fourth Proportional to 700,051.68, 964,038.24 and 608,128.80

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Solution

The fourth proportional to 700,051.68, 964,038.24 and 608,128.80 is: 837,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,051.68 : 964,038.24 = 608,128.80 : x
  2. Step 2: Convert to fraction form
    700,051.68/964,038.24 = 608,128.80/x
  3. Step 3: Cross multiply
    700,051.68x = 964,038.24 × 608,128.80
  4. Step 4: Simplify right side
    700,051.68x = 586,259,418,045.31
  5. Step 5: Solve for x
    x = 586,259,418,045.31/700,051.68
  6. Step 6: Final answer
    x = 837,451.63

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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.