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Finding the Fourth Proportional to 710,477.73, 980,893.76 and 462,356.10

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Solution

The fourth proportional to 710,477.73, 980,893.76 and 462,356.10 is: 638,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,477.73 : 980,893.76 = 462,356.10 : x
  2. Step 2: Convert to fraction form
    710,477.73/980,893.76 = 462,356.10/x
  3. Step 3: Cross multiply
    710,477.73x = 980,893.76 × 462,356.10
  4. Step 4: Simplify right side
    710,477.73x = 453,522,211,076.16
  5. Step 5: Solve for x
    x = 453,522,211,076.16/710,477.73
  6. Step 6: Final answer
    x = 638,334.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.