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Finding the Fourth Proportional to 478,075.77, 716,946.53 and 141,026.94

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Solution

The fourth proportional to 478,075.77, 716,946.53 and 141,026.94 is: 211,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,075.77 : 716,946.53 = 141,026.94 : x
  2. Step 2: Convert to fraction form
    478,075.77/716,946.53 = 141,026.94/x
  3. Step 3: Cross multiply
    478,075.77x = 716,946.53 × 141,026.94
  4. Step 4: Simplify right side
    478,075.77x = 101,108,774,564.38
  5. Step 5: Solve for x
    x = 101,108,774,564.38/478,075.77
  6. Step 6: Final answer
    x = 211,491.11

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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.