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Finding the Fourth Proportional to 624,999.40, 932,036.02 and 556,108.90

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Solution

The fourth proportional to 624,999.40, 932,036.02 and 556,108.90 is: 829,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,999.40 : 932,036.02 = 556,108.90 : x
  2. Step 2: Convert to fraction form
    624,999.40/932,036.02 = 556,108.90/x
  3. Step 3: Cross multiply
    624,999.40x = 932,036.02 × 556,108.90
  4. Step 4: Simplify right side
    624,999.40x = 518,313,525,842.58
  5. Step 5: Solve for x
    x = 518,313,525,842.58/624,999.40
  6. Step 6: Final answer
    x = 829,302.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.