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Finding the Fourth Proportional to 610,686.95, 915,587.56 and 410,510.84

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Solution

The fourth proportional to 610,686.95, 915,587.56 and 410,510.84 is: 615,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,686.95 : 915,587.56 = 410,510.84 : x
  2. Step 2: Convert to fraction form
    610,686.95/915,587.56 = 410,510.84/x
  3. Step 3: Cross multiply
    610,686.95x = 915,587.56 × 410,510.84
  4. Step 4: Simplify right side
    610,686.95x = 375,858,616,296.60
  5. Step 5: Solve for x
    x = 375,858,616,296.60/610,686.95
  6. Step 6: Final answer
    x = 615,468.56

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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.