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Finding the Fourth Proportional to 507,196.16, 760,802.88 and 191,801.60

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Solution

The fourth proportional to 507,196.16, 760,802.88 and 191,801.60 is: 287,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,196.16 : 760,802.88 = 191,801.60 : x
  2. Step 2: Convert to fraction form
    507,196.16/760,802.88 = 191,801.60/x
  3. Step 3: Cross multiply
    507,196.16x = 760,802.88 × 191,801.60
  4. Step 4: Simplify right side
    507,196.16x = 145,923,209,668.61
  5. Step 5: Solve for x
    x = 145,923,209,668.61/507,196.16
  6. Step 6: Final answer
    x = 287,705.67

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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.