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Finding the Fourth Proportional to 607,123.80, 910,904.40 and 585,253.80

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Solution

The fourth proportional to 607,123.80, 910,904.40 and 585,253.80 is: 878,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,123.80 : 910,904.40 = 585,253.80 : x
  2. Step 2: Convert to fraction form
    607,123.80/910,904.40 = 585,253.80/x
  3. Step 3: Cross multiply
    607,123.80x = 910,904.40 × 585,253.80
  4. Step 4: Simplify right side
    607,123.80x = 533,110,261,536.72
  5. Step 5: Solve for x
    x = 533,110,261,536.72/607,123.80
  6. Step 6: Final answer
    x = 878,091.52

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1.5x scale

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.