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Finding the Fourth Proportional to 384,088.80, 575,960.40 and 173,618.40

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Solution

The fourth proportional to 384,088.80, 575,960.40 and 173,618.40 is: 260,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,088.80 : 575,960.40 = 173,618.40 : x
  2. Step 2: Convert to fraction form
    384,088.80/575,960.40 = 173,618.40/x
  3. Step 3: Cross multiply
    384,088.80x = 575,960.40 × 173,618.40
  4. Step 4: Simplify right side
    384,088.80x = 99,997,323,111.36
  5. Step 5: Solve for x
    x = 99,997,323,111.36/384,088.80
  6. Step 6: Final answer
    x = 260,349.49

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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.