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Finding the Fourth Proportional to 575,795.70, 863,434.35 and 260,090.10

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Solution

The fourth proportional to 575,795.70, 863,434.35 and 260,090.10 is: 390,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,795.70 : 863,434.35 = 260,090.10 : x
  2. Step 2: Convert to fraction form
    575,795.70/863,434.35 = 260,090.10/x
  3. Step 3: Cross multiply
    575,795.70x = 863,434.35 × 260,090.10
  4. Step 4: Simplify right side
    575,795.70x = 224,570,726,434.94
  5. Step 5: Solve for x
    x = 224,570,726,434.94/575,795.70
  6. Step 6: Final answer
    x = 390,018.07

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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.