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Finding the Fourth Proportional to 333,663.90, 500,258.06 and 156,074.10

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Solution

The fourth proportional to 333,663.90, 500,258.06 and 156,074.10 is: 233,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,663.90 : 500,258.06 = 156,074.10 : x
  2. Step 2: Convert to fraction form
    333,663.90/500,258.06 = 156,074.10/x
  3. Step 3: Cross multiply
    333,663.90x = 500,258.06 × 156,074.10
  4. Step 4: Simplify right side
    333,663.90x = 78,077,326,482.25
  5. Step 5: Solve for x
    x = 78,077,326,482.25/333,663.90
  6. Step 6: Final answer
    x = 233,999.92

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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.