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Finding the Fourth Proportional to 357,032.04, 535,174.32 and 120,292.92

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Solution

The fourth proportional to 357,032.04, 535,174.32 and 120,292.92 is: 180,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,032.04 : 535,174.32 = 120,292.92 : x
  2. Step 2: Convert to fraction form
    357,032.04/535,174.32 = 120,292.92/x
  3. Step 3: Cross multiply
    357,032.04x = 535,174.32 × 120,292.92
  4. Step 4: Simplify right side
    357,032.04x = 64,377,681,661.81
  5. Step 5: Solve for x
    x = 64,377,681,661.81/357,032.04
  6. Step 6: Final answer
    x = 180,313.46

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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.