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Finding the Fourth Proportional to 350,547.40, 525,821.10 and 163,923.40

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Solution

The fourth proportional to 350,547.40, 525,821.10 and 163,923.40 is: 245,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,547.40 : 525,821.10 = 163,923.40 : x
  2. Step 2: Convert to fraction form
    350,547.40/525,821.10 = 163,923.40/x
  3. Step 3: Cross multiply
    350,547.40x = 525,821.10 × 163,923.40
  4. Step 4: Simplify right side
    350,547.40x = 86,194,382,503.74
  5. Step 5: Solve for x
    x = 86,194,382,503.74/350,547.40
  6. Step 6: Final answer
    x = 245,885.10

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1.5x scale

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.