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Finding the Fourth Proportional to 615,210.60, 922,815.90 and 604,842.60

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Solution

The fourth proportional to 615,210.60, 922,815.90 and 604,842.60 is: 907,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,210.60 : 922,815.90 = 604,842.60 : x
  2. Step 2: Convert to fraction form
    615,210.60/922,815.90 = 604,842.60/x
  3. Step 3: Cross multiply
    615,210.60x = 922,815.90 × 604,842.60
  4. Step 4: Simplify right side
    615,210.60x = 558,158,368,277.34
  5. Step 5: Solve for x
    x = 558,158,368,277.34/615,210.60
  6. Step 6: Final answer
    x = 907,263.90

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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.