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Finding the Fourth Proportional to 933,165.84, 1,287,809.64 and 525,294

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Solution

The fourth proportional to 933,165.84, 1,287,809.64 and 525,294 is: 724,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,165.84 : 1,287,809.64 = 525,294 : x
  2. Step 2: Convert to fraction form
    933,165.84/1,287,809.64 = 525,294/x
  3. Step 3: Cross multiply
    933,165.84x = 1,287,809.64 × 525,294
  4. Step 4: Simplify right side
    933,165.84x = 676,478,677,034.16
  5. Step 5: Solve for x
    x = 676,478,677,034.16/933,165.84
  6. Step 6: Final answer
    x = 724,928.68

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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.