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Finding the Fourth Proportional to 607,201.60, 910,802.40 and 186,476.80

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Solution

The fourth proportional to 607,201.60, 910,802.40 and 186,476.80 is: 279,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,201.60 : 910,802.40 = 186,476.80 : x
  2. Step 2: Convert to fraction form
    607,201.60/910,802.40 = 186,476.80/x
  3. Step 3: Cross multiply
    607,201.60x = 910,802.40 × 186,476.80
  4. Step 4: Simplify right side
    607,201.60x = 169,843,516,984.32
  5. Step 5: Solve for x
    x = 169,843,516,984.32/607,201.60
  6. Step 6: Final answer
    x = 279,715.20

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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.