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Finding the Fourth Proportional to 525,643.04, 725,133.72 and 344,275.16

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Solution

The fourth proportional to 525,643.04, 725,133.72 and 344,275.16 is: 474,933.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,643.04 : 725,133.72 = 344,275.16 : x
  2. Step 2: Convert to fraction form
    525,643.04/725,133.72 = 344,275.16/x
  3. Step 3: Cross multiply
    525,643.04x = 725,133.72 × 344,275.16
  4. Step 4: Simplify right side
    525,643.04x = 249,645,527,474.40
  5. Step 5: Solve for x
    x = 249,645,527,474.40/525,643.04
  6. Step 6: Final answer
    x = 474,933.57

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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.