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Finding the Fourth Proportional to 504,973.30, 697,115.66 and 314,048.20

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Solution

The fourth proportional to 504,973.30, 697,115.66 and 314,048.20 is: 433,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,973.30 : 697,115.66 = 314,048.20 : x
  2. Step 2: Convert to fraction form
    504,973.30/697,115.66 = 314,048.20/x
  3. Step 3: Cross multiply
    504,973.30x = 697,115.66 × 314,048.20
  4. Step 4: Simplify right side
    504,973.30x = 218,927,918,214.81
  5. Step 5: Solve for x
    x = 218,927,918,214.81/504,973.30
  6. Step 6: Final answer
    x = 433,543.55

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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.