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Finding the Fourth Proportional to 493,353.60, 740,030.40 and 368,937.60

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Solution

The fourth proportional to 493,353.60, 740,030.40 and 368,937.60 is: 553,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,353.60 : 740,030.40 = 368,937.60 : x
  2. Step 2: Convert to fraction form
    493,353.60/740,030.40 = 368,937.60/x
  3. Step 3: Cross multiply
    493,353.60x = 740,030.40 × 368,937.60
  4. Step 4: Simplify right side
    493,353.60x = 273,025,039,703.04
  5. Step 5: Solve for x
    x = 273,025,039,703.04/493,353.60
  6. Step 6: Final answer
    x = 553,406.40

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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.