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Finding the Fourth Proportional to 477,547.83, 716,075.19 and 140,544.69

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Solution

The fourth proportional to 477,547.83, 716,075.19 and 140,544.69 is: 210,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,547.83 : 716,075.19 = 140,544.69 : x
  2. Step 2: Convert to fraction form
    477,547.83/716,075.19 = 140,544.69/x
  3. Step 3: Cross multiply
    477,547.83x = 716,075.19 × 140,544.69
  4. Step 4: Simplify right side
    477,547.83x = 100,640,565,595.24
  5. Step 5: Solve for x
    x = 100,640,565,595.24/477,547.83
  6. Step 6: Final answer
    x = 210,744.47

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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.